ARP Pontiac 400-455 w/EDE D-Port Head Bolt Kit 7000203 400" Long Black

400" Long Black

Steel cup fits in the top of a coil spring and when used with a weight jack bolt it allows adjustment of the spring load in a chassis

Fits standard 5

Specific to the Duramax platform is a

ARP Pontiac 400-455 w/EDE D-Port Head Bolt Kit 7000203 400" Long BlackARPs 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: Cylinder Head Bolt Kit High