{"product_id":"gsc-power-division-billet-s1-camshaft-set-subaru-wrx-sti-my08-dual-avcs","title":"GSC Power Division Billet S1 Camshaft Set - Subaru WRX STI MY08+ - Dual AVCS","description":"\u003ch2\u003eGSC Power Division Billet S1 Camshaft Set - Subaru WRX STI MY08+ - Dual AVCS\u003c\/h2\u003e\n\n\u003cp\u003eGSC Power Division builds its camshafts from billet stock rather than reground cores, giving tighter lobe tolerances and more consistent valve events under sustained boost. The S1 profile is engineered for the \u003cstrong\u003eSubaru WRX STI\u003c\/strong\u003e EJ257 with Dual AVCS, offering a solid step up in airflow while keeping factory driveability largely intact.\u003c\/p\u003e\n\n\u003cp\u003eThis listing covers the \u003cstrong\u003eSubaru WRX STI\u003c\/strong\u003e \u003cstrong\u003eGRF\u003c\/strong\u003e and \u003cstrong\u003eGVF\u003c\/strong\u003e chassis from MY08 onward, fitted with the Dual AVCS EJ257 engine. SKU GSC7026S1 is suited to stock frame turbo setups right through to GT35R sized upgrades producing up to 500 WHP.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Long nose camshafts fit the left side and short nose fit the right side — refer to the images for correct placement. Some head castings will need light clearancing for the S1 lobe profile, so check fitment during install.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBillet construction for improved strength and consistency over reground cores\u003c\/li\u003e\n\u003cli\u003eS1 lobe profile designed for stock frame turbo through to GT35R level builds\u003c\/li\u003e\n\u003cli\u003eRated to approximately 500 WHP\u003c\/li\u003e\n\u003cli\u003eDual AVCS compatible EJ257 fitment\u003c\/li\u003e\n\u003cli\u003eLeft\/right specific camshafts — long nose left, short nose right\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 STI's model year and engine configuration before ordering.\u003c\/p\u003e\n\n\u003cp\u003eNot sure if this camshaft set suits 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":"Default Title","offer_id":53689331122469,"sku":"GSC7026S1","price":2095.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0918\/2943\/6709\/files\/gsc-power-division-GSC7026S1-1.png?v=1787889503","url":"https:\/\/www.chicaneaustralia.com.au\/products\/gsc-power-division-billet-s1-camshaft-set-subaru-wrx-sti-my08-dual-avcs","provider":"Chicane Australia","version":"1.0","type":"link"}