GSC Power-Division Super Alloy Exhaust Valve Set, 30mm (+1mm) STD (gsc2027-8) 15310 Give your Audi S3 or

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GSC Power-Division Super Alloy Exhaust Valve Set, 30mm (+1mm) STD (gsc2027-8) 15310 Give your Audi S3 orFor 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