ARP Head Stud Kit, BMW M10 S54 3.4L This ARP Main Stud Kit

This ARP Main Stud Kit is designed to replace BMW part numbers 11128644674 and 11127613127 for the B58

Supertech valve spring kits represent a smart investment for those looking to improve their engine's valve control and overall performance

and enhances durability under extreme conditions

often caused by inadequate spring rates

ARP Head Stud Kit, BMW M10 S54 3.4L This ARP Main Stud KitThe ARP head stud kit for the BMW M10 B18 and B20 engine (1. 5L & 2. 0L) 4 cylinder, is designed to provide improved clamping force for the cylinder head to the engine block. The kit includes high strength, heat treated studs, premium grade parallel ground washers, and 12 point nuts. The ARP head studs 201 4601 are made from premium grade 8740 chromoly steel, which is stronger and more durable than the factory bolts. The studs are heat treated to