ARP 204-5001 Main Bolt Kit for PORSCHE 996 ymm_46 and racers know that nobody

and racers know that nobody builds a better bolt than ARP

eliminating unwanted overtones and drone while producing an almost race-inspired sound

Optional silver bezel and white faceplate accessory kit available (sold separately)

Head Type: 12 Point

AERMET: With a typical tensile strength of 290

ARP 204-5001 Main Bolt Kit for PORSCHE 996 ymm_46 and racers know that nobodyFar 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