Brian Crower 6mm Intake & 7mm Exhaust Valve Guides Set Nissan 240SX Silvia S13 S14 S15 SR20DET (BCR BC3920/BC3921) Oil System / Filter Heads UPC: 793348040271Please note: This is

UPC: 793348040271Please note: This is a special order item by Stealth Ride

Part Number: AF59-3031

Amber and Mirror

Chevrolet 25041646

Brian Crower 6mm Intake & 7mm Exhaust Valve Guides Set Nissan 240SX Silvia S13 S14 S15 SR20DET (BCR BC3920/BC3921) Oil System / Filter Heads UPC: 793348040271Please note: This isBrian Crower 6mm Intake & 7mm Exhaust Valve Guides Set Nissan 240SX Silvia S13 S14 S15 SR20DET Brand: Brian Crower Manufacturer's Part Number: BC3920 BC3921 Stealth Ride Part Number: BC3920 BC3921 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