ARP 206-5002 Main Bolt Kit for MGB 5 ymm_1 Titanium construction

Titanium construction

rich sound at normal cruising rises to a deep and sporty soundtrack when driving more enthusiastically

200˝ Thread Size M12 x 1

Square Drive Balancer Bolt Kit (120-2502) by ARP®

3700 1955-1958

ARP 206-5002 Main Bolt Kit for MGB 5 ymm_1 Titanium constructionFar 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