ARP 645-4750 SAE Bolt Kit 7/16-14 X 4.750 12pt 1/2 wrenching black oxide bolts ymm_37 A further upgrade is available

A further upgrade is available with the installation of the optional Evolution Header Set (Titanium)

The system can be visually enhanced with four round titanium or carbon fibre tailpipes

providing reliable performance in maintaining accurate readings for vehicle diagnostics

t is for good reason that virtually every top professional engine builder relies on ARP Pro Series head studs for their all-out competition powerplants

Monte Carlo 1970-1988

ARP 645-4750 SAE Bolt Kit 7/16-14 X 4.750 12pt 1/2 wrenching black oxide bolts ymm_37 A further upgrade is availableSpecifications Socket Size(s) 1 2 12pt UHL 4. 750 Thread Length 1. 250 Grip Length 3. 500 Thread Diameter Pitch 7 16 14 Grip Diameter 7 16 Wrenching 1 2 Head Height 0. 345 Collar Diameter 0. 740