Availability
Header Fasteners
Header Bolts, Hex Head, Custom 450, Black Oxide, Oldsmobile, Big, Small Block, V8, Set of 14
Part Number: ARP-180-1101
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Bolts, Flanged Hex Head, 3/8-16 in., 0.750 in. Underhead Length, Set of 12
Part Number: SCH-3006-12
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Bolts, Locking, Steel, 3/8-16 in. Thread, 1.25 in. Underhead Length, Dodge, Big Block, Set of 12
Part Number: STG-8916B
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Bolt, Hex Head, Steel, Black Oxide, 3/8 in.-16, 0.750 in. U.H.L., Set of 12
Part Number: MIL-84540
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, AMC, V8, Set of 12
Part Number: STG-8918S
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Header Bolts, Hex Head, 3/8 in. Wrench, Drilled, Stainless Steel, Polished, Chevy, Small Block, Set of 12
Part Number: ARP-400-1103
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Hex Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12
Part Number: MRG-3409
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Locking, Internal Allen/Hex, Steel, Nickel Plated, 3/8-16 in., 0.750 in. UHL, Pair
Part Number: STG-8910
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, 3/8-16 in., 1.000 in. UHL, Pair
Part Number: STG-8910A
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Locking, 12-point, Seal, Nickel Plated, AMC, Buick, Chrysler, Pontiac, Set of 12
Part Number: STG-8936
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Header Fasteners, Bolts, Locking, External 12-point, Steel, Nickel Plated, Jeep, 258, L6, Set of 11
Part Number: STG-6918
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Bolts, 12-Point, Stainless Steel, Polished, 3/8 in.-16, Oldsmobile, 330-455, Set of 14
Part Number: ARP-480-1201
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, 3/8-16 in., 1.250 in. UHL, Pair
Part Number: STG-8910B
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Header Fasteners, Bolts, Allen Head, Black Oxide, Steel, 8mm x 1.25 Thread, 25mm Length, Set of 16
Part Number: MRG-978G
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Bolts, Flanged Hex Head, 8mm x 1.25, 22mm Underhead Length, Chevy LS, Set of 12
Part Number: SCH-3004-12
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Bolts, Locking, External 12-point, Stainless Steel, Natural, Chrysler, Small Block V8, Set of 12
Part Number: STG-8955
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Header Fasteners, Bolts, Locking, Hex, Steel, Nickel Plated, Ford, 4.6, 5.4L, Set of 16
Part Number: STG-8906B
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Header Bolts, 12-Point, 5/16 in. Wrench, Custom 450, Black Oxide, 3/8 in.-16, 0.750 in. U.H.L., Set of 12
Part Number: ARP-100-1207
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, 8.1L, V8, Set of 16
Part Number: STG-8912V
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Self-Locking Wedge Header Bolts, Hex Head, Steel, Nickel Plated, 3/8 in. NPT Thread Size, 0.750 in. Underhead Length, Set of 12
Part Number: PRO-66827
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, GM, Jeep, 2.8L, Set of 12
Part Number: STG-6910
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Header Bolts, Hex Head, Stainless Steel, Polished, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12
Part Number: GAR-56406-HSP
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Ford, 2.4, 2.8, 3.3, 4.1L, Set of 11
Part Number: STG-6913
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Dodge, 8.0L V10, Set of 20
Part Number: STG-8909-B
Estimated Ship Date: Today
Estimated Ship Date: Today
Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Dodge, 3.9L, V6, Set of 8
Part Number: STG-6916
Estimated Ship Date: Today
Estimated Ship Date: Today
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