ARP High Performance Series Main Bolt Kit - SB Chevy - 4-Bolt Main 39000609 1-1/2" baffled breather tubes for

1-1/2" baffled breather tubes for proper crankcase venting

This results in quicker starts

Zippered Tote Bags are produced to keep your car cover neat and clean when not in use

Features 60K V Rated Alkyd Compound

9/16 in Head

ARP High Performance Series Main Bolt Kit - SB Chevy - 4-Bolt Main 39000609 1-1/2" baffled breather tubes forHigh 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,