ARP 155-5202 Main Bolt Kit for Big Block Ford 429-460
ARP 155-5202 Main Bolt Kit for Big Block Ford 429-460: Automotive. Buy ARP 155-5202 Main Bolt Kit for Big Block Ford 429-460: Main Bolts & Studs - ✓ FREE DELIVERY possible on eligible purchases. Material: -5Finish: Black . Ford Big Block 429-40 cid, High Performance, Main Bolts 155-52 main bolts are far superior to any other main bolt kit offered for use in competition engines, main bolts are designed to meet the exacting standards and demands of professional engine builders. main bolts are Forged from 740 chrome moly, all bolts feature generous under-head radius and rolled threads for the utmost reliability. The threads are rolled after heat treating, which gives them about 00% longer fatigue life than most main bolts, which are threaded prior to heat-treating. main bolts are available in the popular High Performance Series, which, at a nominal rating of ,000 psi, is a premium replacement for OEM fasteners, or the 0,000 psi nominal rated Pro Series, application-specific main bolts with reduced wrenching head and are designed for use in competition applications. provides Parallel-ground, hardened washers that are included with each kit. . . .