Cylinder Head Bolt Kit for Chevrolet Mark IV or Mark V block with AFR Casting # 315/335/357 with und

Cylinder Head Bolt Kit for Chevrolet Mark IV or Mark V block with AFR Casting # 315/335/357 with undAll Pro Series bolts are cold forged to ensure molecular integrity, heat treated prior to thread rolling and machining, and meet theARP ZERO defect ZERO failure quality standard. ARP Pro Series head bolt kits are application specific and designed to deliversuperior strength typically associated with competition engines. Pro Series kits are available in standard (8740) 190,000 psi tensilestrength material and proprietary (ARP2000) 220,000 psi tensile

As the crankshaft flexes and twists

We recommend you maintain a chart of all rodbolts

Available inblack oxide finished chrome moly or rust-proofstainless steel

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

Nuts not included

A hollow core serves to reduce the reciprocating mass

Simply followmanufacturer’s instructions

Measure the fastener prior to starting

The stud kits come complete with a special locking flanged nut

insulated plastic carrying case for protection

as well as hex or 12-point heads

To ensure proper sealing of valve covers