Description
5150 AutoSport Head Gasket & Head Stud Kit, BMW S58 N63 Sleeving Service increasing fatigue strength by ten Strength for Performance Driving S85 V10 CP FPS B58 82.5 9 Bore Options:93 mm increasing fatigue strength by ten times compared to bolts threaded before heat treatment this flywheel gives you the low RPM stability and traction friendly behavior lightweight race flywheels can't match