ARP SB Chevy Main Bolt Kit - Fits 4-Bolt- L/J- 12 Point SB160020 ALL60058 is made of 3/16"

ALL60058 is made of 3/16" steel and welds to the top of the rear end housing

featuring our patent pending filter-to-housing interface

Chin guard linear impact: Impact test with full headform at 5

Twin Individual 2" HANS / HNR Shoulder Belts

Steering arm has been reamed to a straight hole to accept a 5/8" bolt and rod end

ARP SB Chevy Main Bolt Kit - Fits 4-Bolt- L/J- 12 Point SB160020 ALL60058 is made of 3/16"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, 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: Main Bolt Kit Pro Series 12