Not only does this aid in heat transfer

Compatibility & Installation:

Six injector runs for port injection

Application intended for: E90 M3

BMW / Toyota B58 Lifter Shim Set by Ferrea Engine Harness Not only does this aidMaximize the performance of your BMW Toyota B58 engine with the Ferrea Racing Lifter Shim Set. Designed to improve valvetrain stability, these precision shims fit beneath the factory hydraulic lifters, reducing their travel distance. This helps eliminate valve float, ensuring consistent power delivery at high RPMs and under heavy boost. Prevent Valve Float at High RPMs In high revving or turbocharged B58 setups, excess stress on the valvetrain can