Cylinder Head Bolt Kit for Chevrolet 23° Cast iron OEM, Gen III Vortec/Truck, most Edelbrock, LT-AFR

Cylinder Head Bolt Kit for Chevrolet 23° Cast iron OEM, Gen III Vortec/Truck, most Edelbrock, LT-AFRAll 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

These ultra heavy-duty rod bolts are made from a special material designated ARP2000

including the elimination of main cap walk and fretting

Drive pins are rated 190

Special ARP Pro Series NASCAR type stud kits have one of the studs drilled to facilitate sealing the carburetor in the engine by race officials

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

low-profile design

Material: Stainless Steel

Not to be used with OEM-style

All Pro Series head bolts have are reduced wrenching hex or 12-point head and wide area flange to permit the use of larger diameter valve springs and eliminate the need for valve train removal during cylinder head retorquing

then allow the nuts to be easily installed without the worry of cross-threading

Not to be usedwith OEM-style

The popular High Performance Series is rated at 180