ARP Stainless Steel Header Bolt Kit - SB Chevy - 3/8" Diameter, .750" Under Head Length - 12 Pt. Head - (12 Pack) 25BONUS Adjusts from 15" to 24"

Adjusts from 15" to 24"

(1) AN-12 to (2) AN-10 Male Flare Y-Block

Low-drag seals reduce drag for improved performance

2 in Height

RJS Racing uses FR cotton and DuPont Nomex materials for their flame retardant apparel

ARP Stainless Steel Header Bolt Kit - SB Chevy - 3/8" Diameter, .750" Under Head Length - 12 Pt. Head - (12 Pack) 25BONUS Adjusts from 15" to 24"Choose from ARP Black Oxide or 300 stainless steel in hex or 12 pt. Heads. The 300 stainless material is not affected by extreme heat, eliminating the possibility of retempering due to exhaust temperature cycles. Rated 170, 000 psi tensile strength. 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