ARP High Performance Series Main Bolt Kit - SB Chevy - 4-Bolt Main Steel Timing Cover The application should be focused

The application should be focused on smaller cubic inch Big Blocks (396-502ci)

Black Paint / Red

Large Plus

554 in Knurl

ARP High Performance Series Main Bolt Kit - SB Chevy - 4-Bolt Main Steel Timing Cover The application should be focusedHigh Performance Series Main Bolts reduced wrenching hex head and wide are flange evenly distribute the load during torquing. Complete with hardened, parallel ground washers. 170, 000 psi tensile strength. ARPs product line contains thousands of part numbers, and has expanded to include virtually every fastener found in an engine and driveline. These range from quality high performance OEM replacement parts to exotic specialty hardware for Formula 1,