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Weld-On Bung
Power and torque are increased by 5
Using studs will make it much easier to assemble an engine (especially a racing powerplant which must be serviced frequently and quickly
Torque +19
with no unwanted noise or drone in the cabin
ARP 260-5001 Subaru 2.0L FA20 4cyl main bolt kit ymm_34 Weld-On BungFar 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
US$ 31.95
US$ 31.95
US$ 75.95