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, V6, Small Block V8, Set of 12

Part Number: STG-8911A

4.7 out of 5 stars ( 53 )

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, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 1 in. UHL, Chevy, Set of 12

Part Number: PRO-66753

4.57 out of 5 stars ( 23 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, Split Lock, 5/16-18 in., 12-Point, Stainless Steel, Mopar, Small Block LA, Set of 12

Part Number: SUM-910125

5.0 out of 5 stars ( 1 )

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 Bolts, Locking, Double Hex Head, Stainless Steel, Natural, Chevy, Small Block V8, V6, Set of 12

Part Number: STG-8951

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

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 Fasteners, Bolts, Locking, Double Hex Head, Stainless Steel, Natural, GM, Chrysler, AMC, V8, Set of 12

Part Number: STG-8956

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Oct 13, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Header Fasteners, Bolts, Locking, 12-Point, Steel, Nickel Plated, Chevy, V6, Small Block V8, Set of 12

Part Number: STG-8931

4.87 out of 5 stars ( 15 )

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 Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, AMC, Buick, Dodge, Pontiac, Set of 12

Part Number: STG-8916A

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/29/2025

Header Fasteners, Bolts, Locking, 12-Point, Steel, Nickel Plated, Chrysler, Small Block, V8, Set of 12

Part Number: STG-8935

5.0 out of 5 stars ( 1 )

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 Fasteners, Self-Locking Wedge Header Bolts, Hex Head, Steel, Nickel Plated, 3/8 in.-16 Thread Size, 1.000 in. Underhead Length, Set of 12

Part Number: PRO-66824

Not Yet Reviewed

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, Hex, 5/16-18 in. Thread, Steel, Zinc Plated, 1.00 in. Underhead Length, Set of 12

Part Number: PTE-H7977

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Header Fasteners, Bolts, Locking, Stainless Steel, Natural, AMC, V8, Set of 12

Part Number: STG-8958S

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Oct 10, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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