Main Bolt Kit for Ford 429-460 cid

Main Bolt Kit for Ford 429-460 cidFar superior to any other main bolts available for use in competition engines, ARP main bolts are designed to meet the exacting standards and demands of professional engine builders. Forged from 8740 chrome moly steel, all ARP main bolts feature a reduced renching head, large underhead radius and rolled threads for the utmost in reliability. The threads are rolled after heat treating which gives them about 2000% better fatigue strength than most main

Studs are manufactured with a unique nut-starter nose that helps prevent cross-threading

each stud is centerless ground to makeit as close to perfectly concentric as possible

Both models feature a large diameter

To be used with ARP’s patented Perma-Loc™ adjusters

ARP offers a special version of its rugged 190

Far superior to any other main bolts available for use in competition engines

ARP has developed these sophisticated and durable pushrods

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

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

because it’stough on tooling

Features extra heavy springs for consistent repetition

Pro Series kits are available in standard (8740) 190