Main Bolt Kit for Chevrolet 396-402-427-454 cid

Main Bolt Kit for Chevrolet 396-402-427-454 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

including the elimination of main cap walk and fretting

All of them are substantially better than the stock OEM and most aftermarket bolts

The threads are rolled after heat-treating which gives them about 2000% better fatigue strength than most main bolts that are threaded prior to heat-treating

ARP manufactures a variety of special application-specific bolt and stud kits

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

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

Nuts not included

Finish: Natural

and come in your choiceof black oxide finished chrome moly or rust-proof stainless steel

ARP’s timing cover bolts are available in both polished stainless steel or black oxide finish chrome moly

ARP has developed these ultra strong 190

Features extra heavy springs for consistent repetition