Main Stud Kit for BMW 1.5L-2.0L (M10) & 2.3L (S14) 4-cylinder

Main Stud Kit for BMW 1.5L-2.0L (M10) & 2.3L (S14) 4-cylinderThere are many important reasons to use ARP main stud kits, including the elimination of main cap walk and fretting, as well as protecting the threads in your engine block. All kits come complete with hardened parallel ground washers and high quality nuts. Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place. The studs

as well as protecting the threads in your engine block

Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading

They’re application-specific

ARP quality delivers increasedpre-load clamping force and assures positive timing gear register

Our special purpose washers are constructed from either premium chrome moly with a black oxide finish or polished ARP stainless steel and are hardened and parallel-ground

Secure any engine with complete confidence with ARP’s rugged motor mount bolts

and designed for use in competition engines

000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel-ground washers

This helps prevent blown head gaskets

Far superior to any other main bolts available for use in competition engines

All Pro Series bolts are cold-forged to ensure molecular integrity

ARP has developed these ultra strong 190