ARP SB Chevy LS1 Main Stud Kit Matte Black low run-out and center disc

low run-out and center disc made with HSLA material

Bump Stop Washer

Low pressure sensor automatically activates compressor if pressure drops

1959-1975 Chevrolet El Camino

ARP SB Chevy LS1 Main Stud Kit Matte Black low run-out and center discARPs 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 Stud Kit 12 Point Nuts