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Coronet 1966-1971
ARP rocker studs are concentric within
Specifications Socket Size(s) 9/16 12pt UHL 6
Specifications Socket Size(s) 16mm 12pt
Socket Size: 14mm
ARP 205-5001 Main Bolt Kit for HOLDEN 308 V8 ymm_19 Coronet 1966-1971Far superior to any other main bolt kit offered for use in competition engines, ARP main bolts are designed to meet the exacting standards and demands of professional engine builders. Forged from 8740 chrome moly, all bolts feature generous under head radius and rolled threads for the utmost reliability. The threads are rolled after heat treating, which makes them about 1000% longer fatigue life than most main bolts, which are threaded prior to heat