Header Fasteners

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

Part Number: SUM-910120

4.5 out of 5 stars ( 24 )

Estimated Ship Date: Monday 9/29/2025

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, 4.8, 5.3, 5.7L, V8, Set of 12

Part Number: STG-8900

4.83 out of 5 stars ( 35 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, Hex Head, 3/8 in. Wrench, Stainless Steel, Polished, 3/8 in.-16, 1.000 in. U.H.L., Set of 12

Part Number: ARP-400-1111

5.0 out of 5 stars ( 15 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, Hex Head, 5/16 in. Wrench, Stainless Steel, Polished, 3/8 in.-16, 1.000 in. U.H.L., Set of 12

Part Number: ARP-400-1109

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/29/2025

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

Part Number: MRG-917

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, 12-Point, 5/16 in. Wrench, Stainless Steel, Polished, 3/8 in.-16, 1.000 in. U.H.L., Set of 12

Part Number: ARP-400-1209

4.53 out of 5 stars ( 15 )

Estimated Ship Date: Monday 9/29/2025

Header Fasteners, Locking Header Bolts, Internal Allen/Hex Head, Stainless Steel, Chevy, Set of 12

Part Number: MRG-2235G

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Monday 9/29/2025

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

4.45 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/29/2025

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 9/29/2025

Header Bolts, Hex Head, 8mm x 1.25 Thread Size, Steel, Black Oxide, 0.984 in. Underhead Length, Chevy, Small Block LS, Set of 12

Part Number: MRG-918G

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, 12-Point, 3/8 in. Wrench, Stainless Steel, Polished, 3/8 in.-16, 1.000 in. U.H.L., Set of 12

Part Number: ARP-400-1211

4.17 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, Hex Head, Steel, Natural, 3/8 in.-16, 1.000 in. U.H.L., Set of 12

Part Number: TRD-4904

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/29/2025

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

Part Number: ARP-100-1111

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/29/2025

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

Part Number: ARP-100-1211

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/29/2025

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

Part Number: ARP-100-1209

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Ford, 2.9, 3.8, 4.0L, V6, Set of 12

Part Number: STG-6919

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/29/2025

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: Monday 9/29/2025

Header Bolts, Locking, 8mm x 1.25 Thread Size, Steel, Nickel Plated, 25.00mm UHL, Chrysler, 3.5L, Set of 12

Part Number: STG-6928

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 10, 2025 if ordered today

• Drop Ship
• Special Order

Header Fasteners, Header Bolt Kits, Flanged, M8 x 1.25 Thread Size, Steel, Black Oxide, 0.984 in. Underhead Length, Set of 12

Part Number: EDL-8543

Not Yet Reviewed

Estimated Ship Date: Oct 22, 2025 if ordered today

• Drop Ship
• Special Order

Header Bolts, Locking, 10mm x 1.25 Thread Size, Steel, Nickel Plated, 25.00mm UHL, Toyota, 4.0L, Set of 12

Part Number: STG-6922

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Oct 10, 2025 if ordered today

• Drop Ship
• Special Order