Main Stud Kit for Chevrolet Mark IV Aluminum block

Main Stud Kit for Chevrolet Mark IV Aluminum 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

A “must” for any serious engine builder

Far superior to OEM fasteners

Nuts not included

Lengths are exact – designed to provide positive seating every time

This helps prevent blown head gaskets

To provide you with required reliability and improved performance

It’s important to note that lesser quality studsare not even centerless ground – the material is thread rolled inbar stock form (mostly before heat-treat

allowing forslight misalignment

They are designed for each specific application and provide the optimum grip

This procedure (done only to the shorter studs)more equalizes the “stretch” of both studs

Finish 2: Polished

enabling the rotationof an engine with any 1/2