GSC Power-Division Super Alloy Exhaust Valve Set of 8-29mm STD (gsc2121-8) 1720 have newly adopted molded urethane

have newly adopted molded urethane to improve comfort and durability for long driving

Peak Rpm Memory Recall Provides Quick Review Of The Highest Rpm Achieved Since The Last Clear

The Gemini plate system is the most technically advanced single stage plate ever designed

+10 Ft/lbs torque and improve throttle response

GSC Power-Division Super Alloy Exhaust Valve Set of 8-29mm STD (gsc2121-8) 1720 have newly adopted molded urethaneGSC Power Division Super Alloy Exhaust Valves for FA20 FRS BRZ 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