ARP BB Chevy Stainless Steel Head Bolt Kit - 6 Point 811001 A hydraulic shock absorber is

A hydraulic shock absorber is built into the backplate of the device to help dampen head movement throughout the entire length of impact

it won't irritate your skin like some other materials tend to do

All cradles are for V8 engines

Anti-Submarine Harness

20 AN Male to 1-1/4-12 in Male O-Ring

ARP BB Chevy Stainless Steel Head Bolt Kit - 6 Point 811001 A hydraulic shock absorber isARPs 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 Hex