GSC Super Alloy 33mm Oversize Exhaust Valve set - Subaru EJ20 / EJ25 Intake They are easily attached using

They are easily attached using the included double-sided tape

FlashProManager Windows software

TAME) or Nitro Methane

Head Diameter: 32mm

designed to accept -8 O-ring boss fittings

GSC Super Alloy 33mm Oversize Exhaust Valve set - Subaru EJ20 / EJ25 Intake They are easily attached usingRunning high horsepower with high EGT's requires a valve that will last in 2000F conditions. GSC 33mm +1 Oversize 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