Main Bolt Kit for Rover 4.0L & 4.6L with cross bolts

Main Bolt Kit for Rover 4.0L & 4.6L with cross boltsFar 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

You will also note that ARP offers specially undercut studs forseveral engines

are stronger and ratedat 190

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

and precision J-form threads rolled after heat-treat to create a fastener that has threads 2000% stronger than others

High Performance head bolts are available with a reduced wrenching hex or 12-point and wide area flanged head that eliminates theneed for valve train removal to facilitate cylinder head retorquing

The ARP Stainless material is not affected by corrosion or extreme heat

Hardened parallel-ground washers are included in each kit

It costs a lot more to do it this way

Bracket Racing

Designed for competition applications

000 psi for the ARP2000® material

Forged from 8740 chrome moly steel