ARP Stainless Steel Header Bolt Kit - Drilled - SB Chevy - 3/8" Diameter, .750" Under Head Length - 12 Pt. Head - (12 Pack) M61HAK a press-on sleeve to retain

a press-on sleeve to retain bearing to the axle and an axle retainer for large bearing late/Torino style housing end

A 3/4'' thick head deck makes it ideal for nitrous or blower applications

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

Variable Speed

ARP Stainless Steel Header Bolt Kit - Drilled - SB Chevy - 3/8" Diameter, .750" Under Head Length - 12 Pt. Head - (12 Pack) M61HAK a press-on sleeve to retainChoose 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 possibilty of retempering due to exhaust temperature cycles. Rated 170, 000 psi tensile strength. Since 1968, ARP is the fastener of champions and the world leader in fastener technology. Product Description: Header Bolt 3 8 16 in Thread 0. 75 in Long 12 Point Head Stainless Polished Drilled Small Block