Cylinder Head Bolt Kit for Chevrolet 18° hi-port with 3/8˝ holes, casting #10134363 and 64

Cylinder Head Bolt Kit for Chevrolet 18° hi-port with 3/8˝ holes, casting #10134363 and 64All 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

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

ARP offers these premium grade studs in black oxide finished chrome moly or polished ARP Stainless

Flywheel and Flexplate bolts play an important role in the performance and safety of race cars and street machines alike

For the most severe applications

ARP has introduced a line of premium quality weld-in bungs

Hardened parallel-ground washers are included in each kit

hard-to-reach coils)

Material: 8740 Chrome Moly

Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place

ARP main bolts are designed to meet the exacting standards and demands of professional engine builders

All High Performance Series bolts are 180

heat-treating to 190