Main Bolt Kit for Toyota 2.0L (4UGSE) - Crankcase thru bolt kit

Main Bolt Kit for Toyota 2.0L (4UGSE) - Crankcase thru bolt kitFar superior to any other main bolts available 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 steel, all ARP main bolts feature a reduced renching head, large underhead radius and rolled threads for the utmost in reliability. The threads are rolled after heat treating which gives them about 2000% better fatigue strength than most main

Material 2: 8740 Chrome Moly

The engineers at ARP spent quite a bit of time developing these highly effective

The nuts feature a wide base for better load distribution and sealing

They’re offered in a variety of heights to accommodate most any combination of carb and spacer

They’re forged from premium grade 8740 chrome moly steel and are heat-treated to a nominal rating of 190

square drive forged into bolt head

This prevents any unnecessary wear or damage to rotating

The stainless has the added advantage of being rust and corrosion resistant

with most of them also offered in handy 2-piece and 10-piece packages

ARP has developed these sophisticated and durable pushrods

Some applications have provisions for mounting windage trays and have specially designed standoff studs with serrated lock nuts to position the windage tray and lock it securely in place

Wide underhead flange and companion washers provide even load distribution