{"title":"Valve Guides","description":"\u003cp\u003eBronze and traditional valve guides for performance cylinder head builds.\u003c\/p\u003e","products":[{"product_id":"supertech-valve-guides-audi-2-5t-daza-dnwa","title":"Supertech Valve Guides (Set of 10) – Audi DAZA\/DNWA 2.5T FSI","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe Supertech GDE-AU18T-10 Valve Guides are high-performance replacements for Audi and VW engines, offering enhanced durability, tighter tolerances, and superior heat transfer compared to factory components. These precision-machined guides are ideal for builds using upgraded valves and valvetrain components in turbocharged or high-RPM environments.\u003c\/p\u003e\n\u003cp\u003eManufactured from high-quality alloys, Supertech valve guides are specifically designed to withstand elevated cylinder head temperatures and high spring loads — making them perfect for street or full-race applications on 1.8T, 2.5T FSI DAZA, and related platforms.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision-machined for OEM fit and performance upgrade\u003c\/li\u003e\n\u003cli\u003eConstructed from high-strength alloy for improved wear resistance\u003c\/li\u003e\n\u003cli\u003eEnhanced heat dissipation for boosted\/high-RPM engines\u003c\/li\u003e\n\u003cli\u003eIdeal for use with Supertech valves and valve seals\u003c\/li\u003e\n\u003cli\u003eSupports increased spring pressure and aggressive cam profiles\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 14px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 6px;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"border: 1px solid #ccc; padding: 6px;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px;\"\u003eGDE-AU18T-10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px;\"\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px;\"\u003e11.045 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px;\"\u003eLength\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px;\"\u003e36.15 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px;\"\u003ePerformance \/ Motorsport\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px;\"\u003eHigh-temp alloy steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px;\"\u003eQuantity\u003c\/td\u003e\n\u003ctd style=\"border: 1px solid #ccc; padding: 6px;\"\u003eSet of 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Set of 10 Supertech Valve Guides (GDE-AU18T-10)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi RS3 (8V \/ 8Y) – 2.5 TFSI DAZA \/ DNWA\u003c\/li\u003e\n\u003cli\u003eAudi TT RS (8S) – 2.5 TFSI DAZA\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eAudi A4 \/ VW Passat – 1.8T (AEB)\u003c\/li\u003e\n\u003cli\u003eVolkswagen Golf  – 1.8T\u003c\/li\u003e\n\u003cli\u003eAudi R8 – Select models\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":50622430314789,"sku":"GDE-AU18T-10","price":169.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/image_e5c6d15d-6223-4e55-bc2f-92b009c7d5ba.jpg?v=1750475602"},{"product_id":"gsc-intake-valve-guide-k20c1","title":"GSC Power-Division Intake Valve Guide – Honda Civic Type R (FK8\/FL5) – K20C1","description":"\u003ch2\u003eGSC Power-Division Intake Valve Guide – Honda K20C1 Civic Type R\u003c\/h2\u003e\n\n\u003cp\u003eUpgrade your Honda K20C1’s valvetrain reliability with the GSC Power-Division Intake Valve Guides. Engineered for performance and longevity, these guides are built from premium Manganese Bronze to withstand the demands of high-RPM and turbocharged engines. Designed to provide precise valve control and reduce wear under extreme conditions.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-strength Manganese Bronze construction\u003c\/li\u003e\n  \u003cli\u003eStandard size available as a complete set of 8 or individually\u003c\/li\u003e\n  \u003cli\u003eOversized options: +0.001\" and +0.003\" sold individually\u003c\/li\u003e\n  \u003cli\u003ePerfect for high-RPM, turbocharged, and track-built engines\u003c\/li\u003e\n  \u003cli\u003eMachined to tight tolerances for optimal valve seating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003cth\u003eTotal Length\u003c\/th\u003e\n      \u003cth\u003eOuter Diameter\u003c\/th\u003e\n      \u003cth\u003eValve Stem Diameter\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGSC3120\u003c\/td\u003e\n      \u003ctd\u003e1.870 in \/ 47.50 mm\u003c\/td\u003e\n      \u003ctd\u003e0.4357 in \/ 11.07 mm\u003c\/td\u003e\n      \u003ctd\u003e5.5 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHonda Civic Type R FK8 (2017–2021)\u003c\/li\u003e\n  \u003cli\u003eHonda Civic Type R FL5 (2023+)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":50626878374181,"sku":"GSC3120-8","price":100.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/image_3098eff4-c34b-411d-87f7-c459927bda98.jpg?v=1750557795"},{"product_id":"gsc-exhaust-valve-guide-k20c1","title":"GSC Power-Division Exhaust Valve Guide – Honda Civic Type R (FK8\/FL5) – K20C1","description":"\u003ch2\u003eGSC Power-Division Exhaust Valve Guide – Honda K20C1 Civic Type R\u003c\/h2\u003e\n\n\u003cp\u003eDesigned for high-performance Honda K20C1 engines, the GSC Power-Division Exhaust Valve Guides offer improved heat tolerance and durability over OEM components. Perfect for street, track, or boosted applications, these precision-machined guides ensure superior valve control and extended engine life. Available in standard and oversized fitments for rebuild flexibility.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eManufactured from high-strength Manganese Bronze alloy\u003c\/li\u003e\n  \u003cli\u003eStandard size available as a complete set of 8 or individually\u003c\/li\u003e\n  \u003cli\u003eOversized options: +0.001\" and +0.003\" sold individually\u003c\/li\u003e\n  \u003cli\u003eIdeal for high-RPM and forced induction applications\u003c\/li\u003e\n  \u003cli\u003ePrecision-machined for consistent clearance and sealing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth\u003ePart Number\u003c\/th\u003e\n      \u003cth\u003eTotal Length\u003c\/th\u003e\n      \u003cth\u003eOuter Diameter\u003c\/th\u003e\n      \u003cth\u003eValve Stem Diameter\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003eGSC3121\u003c\/td\u003e\n      \u003ctd\u003e1.970 in \/ 50.04 mm\u003c\/td\u003e\n      \u003ctd\u003e0.4357 in \/ 11.07 mm\u003c\/td\u003e\n      \u003ctd\u003e5.5 mm\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eHonda Civic Type R FK8 (2017–2021)\u003c\/li\u003e\n  \u003cli\u003eHonda Civic Type R FL5 (2023+)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":50626878406949,"sku":"GSC3121-8","price":100.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/image_851a10f5-e234-4f18-8b67-f3c52951dea1.jpg?v=1750557750"},{"product_id":"gsc-intake-valve-guide-ej20-ej25","title":"GSC Power-Division Traditional Intake Valve Guide – Subaru EJ20\/EJ25","description":"\u003cdiv style=\"max-width: 800px; margin: 0 auto; line-height: 1.6;\"\u003e\n\u003ch2\u003eGSC Power-Division Traditional Intake Valve Guide – Subaru EJ20\/25 Series (Part # GSC3028)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGSC Power-Division GSC3028 Traditional Intake Valve Guide\u003c\/strong\u003e is a high-quality, smooth-style replacement designed for Subaru EJ20 and EJ25 series engines, including EJ205, EJ207, EJ255, EJ257, and EJ257B. Ideal for performance engine builds and OEM-style rebuilds, these guides help maintain valve alignment, sealing, and long-term durability under high load and temperature.\u003c\/p\u003e\n\u003cp\u003eMade from precision-machined material with tight tolerances, these guides support 6 mm valve stems and are available in both standard and oversized configurations for head machining flexibility.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTraditional smooth-style intake valve guide for Subaru EJ engines\u003c\/li\u003e\n\u003cli\u003eAvailable in standard and oversized (+0.001\", +0.003\") variants\u003c\/li\u003e\n\u003cli\u003ePrecision-machined for stability, valve control, and wear resistance\u003c\/li\u003e\n\u003cli\u003eSupports 6 mm valve stems\u003c\/li\u003e\n\u003cli\u003eSold as a set of 8 or individually (for oversized options)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border-bottom: 1px solid #ccc; padding: 8px;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align: left; border-bottom: 1px solid #ccc; padding: 8px;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eGSC3028\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSubaru EJ20 \/ EJ25 Engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eGuide Type\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eIntake (Traditional Smooth Style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eTotal Length\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e1.557 in \/ 39.55 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e0.4357 in \/ 11.07 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eValve Stem Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eFitment Options\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eStandard, +0.001\", +0.003\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSold As\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSet of 8 or Individually (Oversized)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubaru WRX – EJ205 \/ EJ207\u003c\/li\u003e\n\u003cli\u003eSubaru WRX STI – EJ255 \/ EJ257 \/ EJ257B\u003c\/li\u003e\n\u003cli\u003eSubaru Forester XT \/ Liberty GT – EJ Turbo Platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Oversized guides are sold individually in +0.001\" and +0.003\" sizing. Always inspect and measure your cylinder head guide bores before selecting oversize options.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWarning:\u003c\/strong\u003e This product contains materials such as Nickel (Metallic), which are known to the State of California to cause cancer and reproductive harm. See California Proposition 65 for more information.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":50630039568677,"sku":"GSC3028-8","price":100.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/image_b99eee6e-15b6-4f70-8805-c1401298707d.jpg?v=1750638198"},{"product_id":"gsc-exhaust-valve-guide-ej20-ej25","title":"GSC Power-Division Traditional Exhaust Valve Guide – Subaru EJ20\/EJ25","description":"\u003cdiv style=\"max-width: 800px; margin: 0 auto; line-height: 1.6;\"\u003e\n\u003ch2\u003eGSC Power-Division Traditional Exhaust Valve Guide – Subaru EJ20\/25 Series (Part # GSC3027)\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eGSC Power-Division GSC3027 Traditional Exhaust Valve Guide\u003c\/strong\u003e is a precision-machined upgrade for Subaru EJ20 and EJ25 engines, including EJ205, EJ207, EJ255, EJ257, and EJ257B variants. Designed in a smooth-style finish, these valve guides ensure long-term reliability and stable valve operation in high-performance or rebuilt heads.\u003c\/p\u003e\n\u003cp\u003eGSC’s valve guides are made from premium materials with tight tolerances for improved oil control, reduced valve wobble, and extended durability—particularly under the high loads and heat common in boosted Subaru applications.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTraditional smooth-style exhaust valve guide design\u003c\/li\u003e\n\u003cli\u003eSuitable for both OEM replacement and performance builds\u003c\/li\u003e\n\u003cli\u003eAvailable in standard size and oversized variants (+0.001\", +0.003\")\u003c\/li\u003e\n\u003cli\u003ePrecision-machined for consistent fitment and durability\u003c\/li\u003e\n\u003cli\u003eIdeal for EJ205, EJ207, EJ255, EJ257, and EJ257B cylinder heads\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; border-bottom: 1px solid #ccc; padding: 8px;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align: left; border-bottom: 1px solid #ccc; padding: 8px;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eGSC3027\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eApplication\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSubaru EJ20 \/ EJ25 Engines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eGuide Type\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eExhaust (Traditional Smooth Style)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eTotal Length\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e1.873 in \/ 47.57 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e0.4357 in \/ 11.07 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eValve Stem Diameter\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003e6 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eFitment Options\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eStandard, +0.001\", +0.003\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSold As\u003c\/td\u003e\n\u003ctd style=\"padding: 8px;\"\u003eSet of 8 or Individually (Oversized)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eVehicle Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSubaru WRX – EJ205 \/ EJ207\u003c\/li\u003e\n\u003cli\u003eSubaru WRX STI – EJ255 \/ EJ257 \/ EJ257B\u003c\/li\u003e\n\u003cli\u003eSubaru Forester XT \/ Liberty GT – EJ Turbo Platforms\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Oversized guides are sold individually and are available in +0.001\" and +0.003\" sizing. Always measure cylinder head bores before ordering oversized variants.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":50630039666981,"sku":"GSC3027-8","price":100.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/image_984f7e69-c757-4e78-aca7-84bf89500552.jpg?v=1750638118"},{"product_id":"supertech-valve-guides-intake-subaru-ej20-ej25","title":"Supertech Valve Guides – Intake – Subaru EJ20\/EJ25","description":"\u003cdiv style=\"max-width: 800px; margin: 0 auto; line-height: 1.6;\"\u003e\n  \u003ch2\u003eFerrea Intake Valve Guides – Subaru EJ20\/EJ25\u003c\/h2\u003e\n  \u003cp\u003eEnhance the precision and reliability of your Subaru EJ20 or EJ25 engine with the \u003cstrong\u003eFerrea GDE-SUEJ6-I-8 Intake Valve Guides\u003c\/strong\u003e. These high-performance guides are designed to reduce stem wear, maintain accurate valve control, and ensure long-lasting performance in both street and track environments.\u003c\/p\u003e\n  \u003cp\u003eCrafted for durability and heat resistance, these intake valve guides are a perfect fit for builders aiming to maximise efficiency and engine longevity in turbocharged EJ setups.\u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003eDesigned specifically for Subaru EJ20 and EJ25 heads\u003c\/li\u003e\n    \u003cli\u003eReduces valve stem wear under high loads\u003c\/li\u003e\n    \u003cli\u003ePrecision-machined for consistent valve alignment\u003c\/li\u003e\n    \u003cli\u003eIdeal for performance and motorsport applications\u003c\/li\u003e\n    \u003cli\u003eManufactured by Ferrea with race-proven quality\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align: left; border-bottom: 1px solid #ccc; padding: 8px;\"\u003eSpecification\u003c\/th\u003e\n        \u003cth style=\"text-align: left; border-bottom: 1px solid #ccc; padding: 8px;\"\u003eValue\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eOuter Diameter\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e11.08 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eLength\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e39.50 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSKU\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eGDE-SUEJ6-I-8\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":50630041108773,"sku":"GDE-SUEJ6-I-8","price":129.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/image_9662269c-6a1f-41ac-ba61-eed1ba9dcdd8.jpg?v=1750635828"},{"product_id":"supertech-valve-guides-exhaust-subaru-ej20-ej25","title":"Supertech Valve Guides – Exhaust – Subaru EJ20\/EJ25","description":"\u003cdiv style=\"max-width: 800px; margin: 0 auto; line-height: 1.6;\"\u003e\n  \u003ch2\u003eFerrea Exhaust Valve Guides – Subaru EJ20\/EJ25\u003c\/h2\u003e\n  \u003cp\u003eMaintain precision valve control and reduce wear in your EJ-series engine with the \u003cstrong\u003eFerrea GDE-SUEJ6-E-8 Exhaust Valve Guides\u003c\/strong\u003e. Engineered for high-performance Subaru EJ20 and EJ25 engines, these guides ensure proper valve alignment, minimise stem wear, and promote long-term reliability under demanding conditions.\u003c\/p\u003e\n  \u003cp\u003ePerfect for both street builds and race applications, these exhaust valve guides are manufactured with exacting tolerances and durable materials to handle elevated temperatures and RPMs.\u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003ePrecision fitment for Subaru EJ20 and EJ25 heads\u003c\/li\u003e\n    \u003cli\u003eImproves valve stability and durability\u003c\/li\u003e\n    \u003cli\u003eIdeal for turbocharged and high-revving applications\u003c\/li\u003e\n    \u003cli\u003eManufactured to Ferrea's racing-grade specifications\u003c\/li\u003e\n    \u003cli\u003eHigh-quality material for extended service life\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n  \u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n    \u003cthead\u003e\n      \u003ctr\u003e\n        \u003cth style=\"text-align: left; border-bottom: 1px solid #ccc; padding: 8px;\"\u003eSpecification\u003c\/th\u003e\n        \u003cth style=\"text-align: left; border-bottom: 1px solid #ccc; padding: 8px;\"\u003eValue\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eOuter Diameter\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e11.08 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eLength\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003e47.5 mm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eSKU\u003c\/td\u003e\n        \u003ctd style=\"padding: 8px;\"\u003eGDE-SUEJ6-E-8\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e","brand":"Supertech","offers":[{"title":"Default Title","offer_id":50630041141541,"sku":"GDE-SUEJ6-E-8","price":129.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/image_6584c5e6-a593-4aa3-8f22-ee2e369066b5.jpg?v=1750635779"},{"product_id":"gsc-power-division-intake-valve-guide-stopper-style-set-12pc-subaru-ez30-phz-2","title":"GSC Power-Division Intake Valve Guide Stopper Style Set (12pc) – Subaru EZ30 PHZ 2","description":"\u003cp\u003eThe GSC Power-Division Intake Valve Guide Set for the Subaru EZ30 PHZ 2 engine is engineered for high-performance applications where precision and durability are critical. Manufactured from premium materials, these guides are designed to handle extreme heat and stress conditions found in high-RPM or forced-induction builds. The stopper-style design provides superior valve control and stability, reducing valve stem wear and improving sealing efficiency.\u003c\/p\u003e","brand":"GSC Power Division","offers":[{"title":"Default Title","offer_id":51488483606821,"sku":"3126-12","price":155.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/3025white.jpg?v=1761886910"},{"product_id":"gsc-power-division-valve-guides-subaru-ej25-sohc","title":"GSC Power-Division Valve Guides - Subaru EJ25 SOHC","description":"\u003ch2\u003eGSC Power-Division Valve Guides - Subaru EJ25 SOHC\u003c\/h2\u003e\n\n\u003cp\u003eGSC Power-Division builds its valvetrain componentry for engines that see serious track and street abuse, and these valve guides are no exception. Designed for the \u003cstrong\u003eSubaru EJ25 SOHC\u003c\/strong\u003e engine, they use a stopper style design that locates the guide correctly in the head and keeps valve stem movement tightly controlled under sustained high RPM and forced induction loads. SKU GSC3019-8 covers the standard set of eight guides.\u003c\/p\u003e\n\n\u003cp\u003eThis listing covers intake or exhaust valve guides for the \u003cstrong\u003eSubaru EJ25 SOHC\u003c\/strong\u003e engine. They're available as a full set of eight or as individual guides, and you can select standard size or oversized +.001\" and +.003\" options for heads that have been machined to accommodate worn or previously fitted guide bores. Use the variant selector on this listing page to choose the quantity and size that suits your build.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e a complete EJ25 SOHC engine rebuild requires two sets of eight guides — one set for the intake side and one for the exhaust side. Confirm your head's bore condition before ordering oversized guides.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStopper style valve guide design for controlled valve stem positioning\u003c\/li\u003e\n\u003cli\u003eSuits Subaru EJ25 SOHC intake or exhaust applications\u003c\/li\u003e\n\u003cli\u003eSold as a set of 8 or as a single guide\u003c\/li\u003e\n\u003cli\u003eOversize options available: +.001\" and +.003\" for machined heads\u003c\/li\u003e\n\u003cli\u003eTwo sets required per complete engine build (intake and exhaust)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility and fitment notes are provided in the tabs above. Please confirm your engine code, head configuration, and required guide size before ordering.\u003c\/p\u003e\n\n\u003cp\u003eNot sure if these valve guides suit your build? Contact our team at \u003ca href=\"mailto:sales@chicaneaustralia.com.au\"\u003esales@chicaneaustralia.com.au\u003c\/a\u003e for expert advice.\u003c\/p\u003e","brand":"GSC Power Division","offers":[{"title":"Std Set ( 8 )","offer_id":53689326436645,"sku":"GSC3019-8","price":100.0,"currency_code":"AUD","in_stock":true},{"title":"Std Single ( 1 )","offer_id":53689326469413,"sku":"GSC3019","price":15.0,"currency_code":"AUD","in_stock":true},{"title":"+.001\" Single ( 1 )","offer_id":53689326502181,"sku":"GSC3019.001-1","price":15.0,"currency_code":"AUD","in_stock":true},{"title":"+.003\" Single ( 1 )","offer_id":53689326534949,"sku":"GSC3019.003-1","price":15.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/gsc-power-division-GSC3019-1.png?v=1787889453"},{"product_id":"gsc-power-division-intake-exhaust-valve-guides-subaru-ej-sohc","title":"GSC Power-Division Intake\/Exhaust Valve Guides - Subaru EJ SOHC","description":"\u003ch2\u003eGSC Power-Division Intake \/ Exhaust Valve Guides - Subaru EJ SOHC\u003c\/h2\u003e\n\n\u003cp\u003eGSC Power-Division builds valvetrain hardware trusted by engine builders chasing reliability at high RPM and under forced induction. These smooth style intake or exhaust valve guides are engineered as a direct replacement for the \u003cstrong\u003eSubaru EJ SOHC\u003c\/strong\u003e engine family, giving your cylinder head the tight tolerances needed for consistent oil control and valve seating under sustained load.\u003c\/p\u003e\n\n\u003cp\u003eThis listing covers valve guides for the \u003cstrong\u003eSubaru EJ SOHC\u003c\/strong\u003e engine. Note that a complete engine rebuild requires two sets, one for intake and one for exhaust. Standard sized guides are available as a set of eight or individually, and oversized guides are sold individually in +.001 in and +.003 in for machined or reconditioned heads. Use the variant selector on the listing page to choose the correct size for your application.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Confirm which guides your head requires before ordering, as intake and exhaust guides are sold separately and are not interchangeable.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStyle: smooth bore intake or exhaust valve guide\u003c\/li\u003e\n\u003cli\u003eStandard size: sold as set of 8 or individually (SKU GSC3067-8 \/ GSC3067)\u003c\/li\u003e\n\u003cli\u003eOversized options: +.001 in (GSC3067.001-1) and +.003 in (GSC3067.003-1), sold individually\u003c\/li\u003e\n\u003cli\u003eTwo sets required per complete engine (intake and exhaust)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please confirm your engine's specification and head machining requirements before ordering.\u003c\/p\u003e\n\n\u003cp\u003eNot sure if these guides suit your build? Contact our team at \u003ca href=\"mailto:sales@chicaneaustralia.com.au\"\u003esales@chicaneaustralia.com.au\u003c\/a\u003e for expert advice.\u003c\/p\u003e","brand":"GSC Power Division","offers":[{"title":"Std Set ( 8 )","offer_id":53824996573477,"sku":"GSC3067-8","price":100.0,"currency_code":"AUD","in_stock":true},{"title":"Std Single ( 1 )","offer_id":53824996606245,"sku":"GSC3067","price":15.0,"currency_code":"AUD","in_stock":true},{"title":"+.001\" Single ( 1 )","offer_id":53824996639013,"sku":"GSC3067.001-1","price":15.0,"currency_code":"AUD","in_stock":true},{"title":"+.003\" Single ( 1 )","offer_id":53824996671781,"sku":"GSC3067.003-1","price":15.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/gsc-power-division-GSC3067-1.png?v=1789455049"},{"product_id":"gsc-power-division-exhaust-valve-guides-subaru-wrx-sti-ej20-25","title":"GSC Power-Division Exhaust Valve Guides - Subaru WRX\/STI - EJ20\/25","description":"\u003ch2\u003eGSC Power-Division Exhaust Valve Guides - Subaru WRX\/STI - EJ20\/25 Series\u003c\/h2\u003e\n\n\u003cp\u003eGSC Power-Division builds valvetrain components engineered for the demands of high boost, high RPM EJ platforms. These exhaust valve guides are a stopper style design intended to keep valve stem control tight under sustained heat and load, giving your \u003cstrong\u003eSubaru WRX\u003c\/strong\u003e or \u003cstrong\u003eSubaru STI\u003c\/strong\u003e a durable foundation for a built head.\u003c\/p\u003e\n\n\u003cp\u003eThis listing covers the \u003cstrong\u003eEJ20\u003c\/strong\u003e and \u003cstrong\u003eEJ25\u003c\/strong\u003e series engines, including EJ205, EJ207, EJ255, EJ257 and EJ257B variants across \u003cstrong\u003eWRX\u003c\/strong\u003e and \u003cstrong\u003eSTI\u003c\/strong\u003e applications. Guides are available as a standard sized set of eight, a standard single, or oversized singles at +0.001 in and +0.003 in — select the option you need from the variant selector on this listing page.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Oversized guides require corresponding machine work to the head. Confirm your required size before ordering, as guides are not returnable once fitted or machined.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eApplication: Subaru EJ20\/25 series (EJ205, EJ207, EJ255, EJ257, EJ257B)\u003c\/li\u003e\n\u003cli\u003eStyle: Stopper design exhaust valve guide\u003c\/li\u003e\n\u003cli\u003eStandard size: sold as a set of 8 or individually\u003c\/li\u003e\n\u003cli\u003eOversized options: +0.001 in and +0.003 in, sold individually\u003c\/li\u003e\n\u003cli\u003eSKU: GSC3025-8 (Std Set of 8)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please ensure your engine code and required guide size are confirmed before ordering.\u003c\/p\u003e\n\n\u003cp\u003eNot sure if these guides suit your build? Contact our team at \u003ca href=\"mailto:sales@chicaneaustralia.com.au\"\u003esales@chicaneaustralia.com.au\u003c\/a\u003e for expert advice.\u003c\/p\u003e","brand":"GSC Power Division","offers":[{"title":"Std Set ( 8 )","offer_id":53825123746085,"sku":"GSC3025-8","price":100.0,"currency_code":"AUD","in_stock":true},{"title":"Std Single ( 1 )","offer_id":53825123778853,"sku":"GSC3025","price":15.0,"currency_code":"AUD","in_stock":true},{"title":"+.001\" Single ( 1 )","offer_id":53825123811621,"sku":"GSC3025.001-1","price":15.0,"currency_code":"AUD","in_stock":true},{"title":"+.003\" Single ( 1 )","offer_id":53825123844389,"sku":"GSC3025.003-1","price":15.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/gsc-power-division-GSC3025-1.png?v=1789455960"},{"product_id":"gsc-power-division-intake-valve-guides-subaru-wrx-sti-gdb-grf-gvf-vab","title":"GSC Power Division Intake Valve Guides - Subaru WRX\/STI (GDB\/GRF\/GVF\/VAB)","description":"\u003ch2\u003eGSC Power Division Intake Valve Guides - Subaru WRX\/STI (GDB\/GRF\/GVF\/VAB)\u003c\/h2\u003e\n\n\u003cp\u003eGSC Power Division builds valvetrain hardware for engines that see serious boost and RPM, and these intake valve guides are designed for the EJ20\/25 platform's toughest applications. The stopper style design keeps valve stem movement controlled under sustained high load, giving the \u003cstrong\u003eSubaru WRX STI\u003c\/strong\u003e a more stable valvetrain foundation for built engines.\u003c\/p\u003e\n\n\u003cp\u003eThis listing covers the \u003cstrong\u003eSubaru WRX STI (GDB\/GRF\/GVF\/VAB)\u003c\/strong\u003e fitted with EJ205, EJ207, EJ255, EJ257 or EJ257B engines. SKU GSC3026-8 is the standard sized set of eight guides. The listing page also offers a standard single guide, plus oversized +0.001 inch and +0.003 inch single guides for worn or resized heads — select the correct option from the variant selector before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Oversized guides are sold individually and are intended for heads that have been machined to accept them. Confirm your head's bore size before selecting an oversized variant.\u003c\/p\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eStopper style intake valve guide\u003c\/li\u003e\n\u003cli\u003eCompatible with EJ205, EJ207, EJ255, EJ257 and EJ257B engines\u003c\/li\u003e\n\u003cli\u003eStandard size available as a set of 8 or as a single guide\u003c\/li\u003e\n\u003cli\u003eOversized options: +0.001 inch and +0.003 inch, sold individually\u003c\/li\u003e\n\u003cli\u003eDesigned for high performance and forced induction EJ20\/25 builds\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eVehicle compatibility, OEM part numbers, and fitment notes are provided in the tabs above. Please confirm your engine code and cylinder head specification before ordering, particularly if selecting an oversized guide.\u003c\/p\u003e\n\n\u003cp\u003eNot sure if these guides suit your build? Contact our team at \u003ca href=\"mailto:sales@chicaneaustralia.com.au\"\u003esales@chicaneaustralia.com.au\u003c\/a\u003e for expert advice.\u003c\/p\u003e","brand":"GSC Power Division","offers":[{"title":"Std Set ( 8 )","offer_id":53825127678245,"sku":"GSC3026-8","price":100.0,"currency_code":"AUD","in_stock":true},{"title":"Std Single ( 1 )","offer_id":53825127711013,"sku":"GSC3026","price":15.0,"currency_code":"AUD","in_stock":true},{"title":"+.001\" Single ( 1 )","offer_id":53825127743781,"sku":"GSC3026.001-1","price":15.0,"currency_code":"AUD","in_stock":true},{"title":"+.003\" Single ( 1 )","offer_id":53825127776549,"sku":"GSC3026.003-1","price":15.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/gsc-power-division-GSC3026-1.png?v=1789455979"}],"url":"https:\/\/www.chicaneaustralia.com.au\/collections\/valve-guides.oembed","provider":"Chicane Australia","version":"1.0","type":"link"}