ARP 154-5003 Main Bolt Kit

ARP 154-5003 2-Bolt Main Bolt Kit

• High Performance Series main bolts are a premium replacement for OEM fasteners
• Designed to meet the exacting standards and demands of professional engine builders
• Forged from 8740 chrome moly steel, with generous under-head radius and rolled threads
• Rated at 180,000 PSI, which is considerably stronger than Grade 8 hardware
• 1000% longer fatigue life than most other main bolts

Far 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 wrenching 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 bolts that are threaded prior to heat-treating. The popular High Performance Series is rated at 180000 psi and is a premium replacement for OEM fasteners. Pro Series main bolts are application-specific rated at 200000 psi and designed for use in competition engines. Hardened parallel-ground washers are included with each kit. The engineers at ARP spent quite a bit of time developing these highly effective unique oil pan studs. Theyre designed to make it as easy as possible to install a pan and seal it properly. Youll note that the studs have a radiused bullet nose that serves to locate the pan rails then allow the nuts to be easily installed without the worry of cross-threading. For those who prefer bolts ARPs got you covered too.