ARP 650-4500 SAE Bolt Kit 1/4-20 X 4.500 hex black oxide bolts ymm_18 Ideal for custom tuning setups

Ideal for custom tuning setups

The studs are manufactured from 8740 Chromoly steel heat-treated in-house to 200

This procedure ensures complete heat penetration and the results are far superior to those lesser quality studs from other manufacturers who just dump pieces in a basket and hope for the best

This Evolution upgrade enhances the Slip-On system by adding a stainless steel link pipe with an integrated resonator

you can’t beat the gorgeous looks of ARP’s specially polished stainless steel fasteners

ARP 650-4500 SAE Bolt Kit 1/4-20 X 4.500 hex black oxide bolts ymm_18 Ideal for custom tuning setupsSpecifications Socket Size(s) 5 16 hex UHL 4. 500 Thread Length 1. 000 Grip Length 3. 500 Thread Diameter Pitch 1 4 20 Grip Diameter 1 4 Wrenching 5 16 Head Height 0. 255 Collar Diameter 0. 515