BC3930 Brian Crower 6.0mm Intake Valve Guides Set Toyota Supra Lexus SC300 2JZGE 2JZGTE 2JZ-GTE Carrillo Piston Set but slightly faster spool

but slightly faster spool

slight lope at idle

Radiused edges for added rigidity

Made in the USA

BC3930 Brian Crower 6.0mm Intake Valve Guides Set Toyota Supra Lexus SC300 2JZGE 2JZGTE 2JZ-GTE Carrillo Piston Set but slightly faster spoolValve Guides are a wear item. They wear over time and eventually should be replaced. The higher you rev, and the harder you push your engine, the more important tolerances become. If you are spending the time and money to upgrade your valvetrain, be sure your tolerances are correct by replacing your high mileage guides with brand new aftermarket valve guides. 2JZGTE VALVE GUIDES BC premium valves guides are made from Manganese Silicon Aluminum Bronze