Brian Crower 6.0mm Manganese Bronze Intake & Exhaust Valve Guides Set STD WRX EJ205 EJ255 STi EJ257 (BCR BC3960/BC3961) Snow Performance 2JZ GTE T4 split pulse

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Brian Crower 6.0mm Manganese Bronze Intake & Exhaust Valve Guides Set STD WRX EJ205 EJ255 STi EJ257 (BCR BC3960/BC3961) Snow Performance 2JZ GTE T4 split pulseBrian Crower 6. 0mm Manganese Bronze Intake & Exhaust Valve Guides Set STD WRX EJ205 EJ255 STi EJ257 Brand: Brian Crower Manufacturer's Part Number: BC3960 BC3961 Stealth Ride Part Number: BC3960 BC3961 UPC: Description: Valve 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