GSC Power-Division Exhaust Valve Guide
Fits your
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Universal fit — compatible with all vehicles
$100.00
SKU:
GSC3121-8
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GSC Power-Division Exhaust Valve Guide – Honda K20C1 Civic Type R
Designed 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.
Key Features
- Manufactured from high-strength Manganese Bronze alloy
- Standard size available as a complete set of 8 or individually
- Oversized options: +0.001" and +0.003" sold individually
- Ideal for high-RPM and forced induction applications
- Precision-machined for consistent clearance and sealing
Technical Specifications
| Part Number | Total Length | Outer Diameter | Valve Stem Diameter |
|---|---|---|---|
| GSC3121 | 1.970 in / 50.04 mm | 0.4357 in / 11.07 mm | 5.5 mm |
Vehicle Compatibility
- Honda Civic Type R FK8 (2017–2021)
- Honda Civic Type R FL5 (2023+)
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