Main Stud Kit for Ford 390-428 cid FE series (hex nuts, 10 studs) modification to #5 cap required

Main Stud Kit for Ford 390-428 cid FE series (hex nuts, 10 studs) modification to #5 cap requiredThere 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

and copy down the length of the fastener prior to and after installation

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

limited rule ovaltrack competition and street use

Now available for all popular applications

Many an engine has been destroyed as a result of oil pump driveshaft failure

low-profile design

NOTE: Not to be used with OEM-style

Available in both High Performance and Pro Series kits

This material is heat-treated to provide a tensile strength in the 200

Bracket Racing

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

Because factory connecting rods (or aftermarket versions of OEM rods) are used in a variety of applications from rebuilt stock motors to modified powerplants used in circle track