BMW Single Groove Intake Valve Lock Set - Supertech KPR-5.0/7S-24

Supertech Valve Locks are precision-engineered for high-performance street and racing applications, offering superior retention under extreme loads and high RPM. Each lock is now fully CNC machined to ensure maximum quality, repeatable fit, and improved...

BMW Single Groove Exhaust Valve Lock Set - Supertech KPR-6S-7-24

Supertech Valve Locks are precision-engineered for high-performance street and racing applications, offering superior retention under extreme loads and high RPM. Each lock is now fully CNC machined to ensure maximum quality, repeatable fit, and improved...