Header Bolts, Split Lock, 3/8-16 in., 12-Point, Steel, Black Oxide, Chevy, Mopar, AMC, Set of 12

Part Number: SUM-910120

4.54 out of 5 stars ( 26 )

Estimated Ship Date: Feb 22, 2027 if ordered today

Header Fasteners, Bolts, Hex Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12

Part Number: MIL-84542

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air

Header Bolts, Hex Head, 5/16 in. Wrench, Custom 450, Black Oxide, 3/8 in.-16, 1.000 in. U.H.L., Set of 12

Part Number: ARP-100-1109

4.57 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/26/2026 if shipped by air