Cylinder Head Bolt Kit for Chevrolet Mark IV or Mark V block with Brodix aluminum heads

Cylinder Head Bolt Kit for Chevrolet Mark IV or Mark V block with Brodix aluminum headsHigh 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. All High Performance Series bolts are 180,000 psi (which is 15%stronger than Grade 8) and kits come complete with hardened parallel ground washers. Material: 8740 Chrome Moly Finish: Black Material 2: Finish 2: Origin: USA

Both models feature a large diameter

For the most severe applications

Far superior to OEM fasteners

and is capable of more than 12

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

A sample chart is as follows: ARP offers a highly accurate stretch gauge with a dial indicator that reads in increments of

Made from premium grade 8740 andheat-treated to 190

NOTE: Not to be used with OEM-style

while bolt kits are shipped with the required flat washers

ARP offers a special version of its rugged 190

It has approximately 200% the fatigue life of 8740 chrome moly steel and has a tensile strength of 220

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