GSC Power-Division Super Alloy Exhaust Valve Set of 8-29mm STD (gsc2121-8) 1720 4WD 1997 GMC Safari Engine:

4WD 1997 GMC Safari Engine: 4

The Grimmspeed hose was designed specifically to prevent these issues

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

Increases horsepower and torque by 14 whp and 21 ft-lbs

GSC Power-Division Super Alloy Exhaust Valve Set of 8-29mm STD (gsc2121-8) 1720 4WD 1997 GMC Safari Engine:GSC 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