Main Bolt Kit for Chevrolet Dart - SHP iron block

Main Bolt Kit for Chevrolet Dart - SHP iron blockFar 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

ARP only uses premium grade 8740 alloy anda proprietary ARP2000® alloy that are rated far superior to “aircraft”quality alloy steels

They have a tensile strength of 190

they are the best on the market today

Far superior to OEM fasteners

Increased material strength overcomes valve train harmonics and stress

Higher Performance Series: Made of 8740 chrome moly forgings and heat-treated to180

all ARP main bolts feature a reduced renching head

All kits come complete with hardened parallel-ground washers and high quality nuts

You will note that ARP studs feature a special “bullet nose” to guide the nut accurately into place

12-point designs

because it’stough on tooling

and the favoriteof leading professional engine builders in all forms of racing