GSC Power-Division Super Alloy Exhaust Valve
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GSC Power-Division Super Alloy Exhaust Valve - Subaru EJ20/EJ257 Turbo - 33mm Head (+1mm)
GSC Power-Division Super Alloy Exhaust Valves for EJ20/25 Turbo are for those running high horsepower, high EGT set ups that need a valve that will last in 2000°F conditions. The Super Alloy Exhaust valves have chrome polished stems to create a smooth, durable finish for added life and better lubricity, especially when paired with the GSC Manganese bronze valve guides.
Strength, heat resistance, and performance are engineered into every valve. Under head dish is maximized for weight savings while swirl polished and backcut heads promote better air flow without sacrificing durability.+1mm - 33mm
This listing covers the GSC Power-Division Super Alloy Exhaust Valve for the Subaru EJ20/EJ257 Turbo. It is available as: Single, Set of 8.
Note: Confirm head diameter, stem size and overall length against your cylinder head specifications. Oversize valves require matching seat machining.
Specifications
- Engine: Subaru EJ20/EJ257 Turbo
- Position: Exhaust
- Head diameter: 33mm
- Head size: +1mm oversize
- Material: Super alloy
- Finish: Chrome polished stem
- Part numbers: GSC2017-01, GSC2017-8
Need help confirming the right part for your engine? Contact our team at sales@chicaneaustralia.com.au.
Product
- Part numbers
- GSC2017-01, GSC2017-8
- Head size
- +1mm oversize
- Finish
- Chrome polished stem
Details
- Engine
- Subaru EJ20/EJ257 Turbo
- Position
- Exhaust
- Head diameter
- 33mm
- Material
- Super alloy
No instructions available for this product.
Vehicle fitment
Universal fit: this part suits any car. Check the specifications above for sizes and fittings.
| Make | Model | Chassis | Years | Versions | Engine | Brakes | Position |
|---|
Can’t see your car? Ask us and we’ll check fitment for you.

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