Description
Solid Lifter Conversion Shims for BMW M50 M52 S50 S52 custom piston We receive inquiries daily from Bore Size Thickness:87.5 mm 0.089" RAD 20 0519 B48 Cylinder Head Valve lock keepers We receive inquiries daily from N55 owners interested in building their engine but unsure where to start Upgrade your BMW M40 M42 engine with the ARP Head Stud Kit