BMW B46 Valve Spring Kit by Ferrea 11247834522 the Pro-Xtreme Pistons excel in

the Pro-Xtreme Pistons excel in turbo

as well as oversized valve upgrades

Strada Logger can gather till 32GB of data*

C Clutch Pack: 10 Alto G3 fibers

BMW B46 Valve Spring Kit by Ferrea 11247834522 the Pro-Xtreme Pistons excel inWhen building a high performance BMW B46 engine, upgrading the valvetrain is criticaland Ferrea valve springs are among the most trusted components in the industry. Engineered to prevent binding, breakage, and valve float, this spring kit is designed for enthusiasts pushing their B46 on the street or track. Built to Handle High RPM and Boosted Applications Valve spring binding, breakage, and float can cause major problems at high RPM or under boost.