ARP 753-2500 SAE Bolt Kit 7/16-20 x 2.500 hex black oxide bolts ymm_31 ARP has developed the “Pro”

ARP has developed the “Pro” Series Wave-Loc bolts

Evolution Header Set converts the slip-on system into a full system designed to give noticeably increased power at higher revs

Fits Following Engines: 426 CID Wedge Chrysler Big Block V8

580˝ Thread Size 5/8-18 washer included Yes

enhancing engine performance

ARP 753-2500 SAE Bolt Kit 7/16-20 x 2.500 hex black oxide bolts ymm_31 ARP has developed the “Pro”Specifications Socket Size(s) 7 16 hex UHL 2. 500 Thread Length 1. 250 Grip Length 1. 250 Thread Diameter Pitch 7 16 20 Grip Diameter 7 16 Wrenching (reduced) 7 16 Head Height 0. 400 Collar Diameter (reduced) 0. 670