Main Stud Kit for Ford 351 “R” block

Main Stud Kit for Ford 351 “R” blockThere 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

while expensive

The nuts feature a wide base for better load distribution and sealing

A polished finish makes them an enhancement to any carb

High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing

wide area washer and an extra tall 12-point head that accepts a deep socket and eliminates the worry ofstripping the head

This helps prevent blown head gaskets

Choice of conventional hex or space-saving 12-point nuts

the correct preload

making it ideal for the application

including use of a premium grade chrome moly alloy

Stud kits come complete with nuts and washers

these hex nuts are available in most sizes to meet your needs