ARP 623-4000 SAE Bolt Kit 3/8-16 x 4.000 hex SS bolts ymm_20 600˝ Body Diameter 0

600˝ Body Diameter 0

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

The ARD 4054B quick V-band clamp kit is engineered for high-performance intake and exhaust system applications requiring a robust

If everything is right

Fits Following Engines: 305 CID Chevrolet Small Block Generation I

ARP 623-4000 SAE Bolt Kit 3/8-16 x 4.000 hex SS bolts ymm_20 600˝ Body Diameter 0Specifications Socket Size(s) 3 8 hex UHL 4. 000 Thread Length 1. 000 Grip Length 3. 000 Thread Diameter Pitch 3 8 16 Grip Diameter 3 8 Wrenching (reduced) 3 8 Head Height (reduced) 0. 300 Collar Diameter (reduced) 0. 620