ARP 134-1001 Cam Bolt Kit for CHEVROLET 265-454. 8740. hex ymm_49 remapping the ECU is mandatory

remapping the ECU is mandatory

reduce weight

AEM Cold Air Intake Systems are designed to produce horsepower and torque gains

The Stainless material is not affected by corrosion or extreme heat

Fits Following Engines: 426 CID Wedge Chrysler Big Block V8

ARP 134-1001 Cam Bolt Kit for CHEVROLET 265-454. 8740. hex ymm_49 remapping the ECU is mandatorySpecifications Socket Size(s) 1 2 hex High Performance 180,000psi UHL (Qty: 3) 0. 750 Thread Size 5 16 18 Fastener Style: Bolt PackageType: Skin Finish: Black Quantity: Set of 3 Fits Following Engines: 265 CID Chevrolet Small Block Generation I Fits Following Engines: 262 CID Chevrolet Small Block Generation I Fits Following Engines: 267 CID Chevrolet Small Block Generation I Fits Following Engines: 283 CID Chevrolet Small Block Generation I Fits