Main Stud Kit for Chevrolet World - Merlin X alum block w/ outer bolts (for #2, 3 & 4)

Main Stud Kit for Chevrolet World - Merlin X alum block w/ outer bolts (for #2, 3 & 4)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

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

Specially drilled “NASCAR” models are available for those who wish to safety wire their header bolts to prevent loosening

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

You have a choice between conventional hex head bolts and nuts or compact

000 psi tensile strength material where noted

Nuts not included

000 psi and precision machined for optimum thread engagement

12-point head design and larger than stock shank diameter for increased strength and improved flywheel register

each stud is placed verticallyinto special racks and precisely heat-treated to 190

allowing forslight misalignment

Stud kits come complete with nuts and washers

Those first moments an engine runs prior to building oil pressure are when damage can easily occur