Main Stud Kit for BMC B Series (5 cap main)

Main Stud Kit for BMC B Series (5 cap main)There 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

Material: L19

while the compact head is easily accessed

ARP only uses premium grade 8740 alloy anda proprietary ARP2000® alloy that are rated far superior to “aircraft”quality alloy steels

For those who prefer bolts

The ARP Stainless material is not affected by corrosion or extreme heat

The less drag on the motor

A hollow core serves to reduce the reciprocating mass

Measure the fastener prior to starting

To cure this all-too-common problem

Don’t chance it

J-form thread rolling after heat-treat and a special profile

To ensure proper sealing of valve covers