Tomei VALVE LIFTER SHIM TEST SET RB25DE(T)/RB20DE(T)/VG30DE(TT)/CA18DE(T) 2.30mm 12pcs(TA307C-NS230) 17361 The system is engineered specifically

The system is engineered specifically for E9X M3 models

Includes dual dry-style air filters which do no require oiling

High Heat resins bond friction fibers

Significantly enhances the appearance of the engine bay

Tomei VALVE LIFTER SHIM TEST SET RB25DE(T)/RB20DE(T)/VG30DE(TT)/CA18DE(T) 2.30mm 12pcs(TA307C-NS230) 17361 The system is engineered specificallyCamshafts are one of the most sufficient ways of making high performance engine to install the high lift camshaft. However, in some engines, it cannot be done to raise the lift without applying smaller base circle of camshaft. Usually, it is dealt with making special valves or grinding valve sheets or installing thick valve shims, yet, all the above taking risks of falling reliability of the engine and raising cost of processing. We designed our valve