Brian Crower 5.5mm Intake & Exhaust Valve Guides Set STD RSX K20A2 K20A3 K20Z1 K24A2 (BCR BC3904/BC3905) Hex Nuts Part Number: AF8630-3500

Part Number: AF8630-3500

Stealth Ride Part Number: EAB13556L03053

021" Hole Size Straight TypeIncluding 4 Gaskets

Part Number: AF522-10-12

Brian Crower 5.5mm Intake & Exhaust Valve Guides Set STD RSX K20A2 K20A3 K20Z1 K24A2 (BCR BC3904/BC3905) Hex Nuts Part Number: AF8630-3500Brian Crower 5. 5mm Intake & Exhaust Valve Guides Set STD RSX K20A2 K20A3 K20Z1 K24A2 Brand: Brian Crower Manufacturer's Part Number: BC3904 BC3905 Stealth Ride Part Number: BC3904 BC3905 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 valvetrain, be