Description
BMW M30 Valve Set Options:48mm Intake 39mm Exhaust Maximize your BMW N54 engine’s Bore Size Thickness:87.5 mm 0.089" RAD 20 0519 B48 Cylinder Head Valve lock keepers Maximize your BMW N54 engine’s performance with the ultimate forged rod and piston combination from 5150 AutoSport High Performance Exhaust Valves