ARP Stainless Steel Valley Cover Bolt Kit - 6 Point LS1/LS2 13-RS1-B-XL 43/64" bit is correct for

43/64" bit is correct for drilling hubs or axle flanges to accept most 5/8" wheel studs with

ATF+3 or ATF+2

Pit Stop USA offers Bell BR1 Top Air Kit - V05 Nozzle - 45/90 Degree - White 2070045 at low everyday prices

Measured flow: 610 CFM @ 7” H2O

ARP Stainless Steel Valley Cover Bolt Kit - 6 Point LS1/LS2 13-RS1-B-XL 43/64" bit is correct forARPs 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, IndyCar, IMSA, NASCAR and NHRA drag racing and marine applications. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Valley Cover Bolt Kit Hex