Header Fasteners

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 1.000 in. UHL, Set of 16

Part Number: PRO-66756

4.55 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/29/2025

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

Part Number: MIL-84543

4.85 out of 5 stars ( 26 )

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

Part Number: PRO-66825

Not Yet Reviewed

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

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, Hex Head, Steel, Nickel Plated, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12

Part Number: PRO-66754

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/29/2025

Header Fasteners, Bolts, Locking, Hex, Steel, Nickel Plated, Chevy, Gen V, LT, Set of 10

Part Number: STG-8917

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

Header Bolt

Part Number: TRD-9943

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/29/2025

Header Bolt, Steel, Black Oxide, Reduced Hex Head, 3/8 in.-16, 0.750 in. Length, Set of 12

Part Number: TRD-8885

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, Hex, 8mm x 1.25 Thread, Steel, Zinc Plated, 30mm Underhead Length, Ford, 4.6L, 5.4L, Set of 16

Part Number: BBK-1624

5.0 out of 5 stars ( 4 )

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 Fasteners, Bolts, Hex Head, Steel, Black Oxide, Ford, GM, Mercury, Mopar, Set of 16

Part Number: MOR-38710

4.38 out of 5 stars ( 13 )

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

Part Number: MRG-6312

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 0.750 in. UHL, Chevy, Set of 16

Part Number: PRO-66752

4.7 out of 5 stars ( 10 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, Hex Head, Steel, Nickel Plated, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12

Part Number: PRO-66755

4.6 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, 0.750 in. Underhead Length, Set of 16

Part Number: PRO-66823

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Header Bolts, Hedder Bolt Kit, Header, 5/16-18 x 1.00 in., Black Oxide, Hex, 16 pc.

Part Number: HED-09007

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, Hex Head, Steel, Black Oxide, 5/16 in.-18, 0.750 in. U.H.L., Chrysler, Small Block, Set of 14

Part Number: MRG-976

5.0 out of 5 stars ( 1 )

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, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 0.750 in. UHL, Chevy, Set of 12

Part Number: PRO-66751

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, Hedder Bolt Kit, Header, 3/8-16 x 1.00 in., Zinc Plated, Hex, 16 pc.

Part Number: HED-09002

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/29/2025

Patriot Exhaust H7981 10MM- 1.25 x 25MM Zinc plated header bolts 3/8-in. flanged head (pack of 16)

Part Number: PTE-H7981

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/29/2025

Header Bolt, Hex Head, M8 x 1.25 Thread, Steel, Black, 1.00 in. Overall Length, Buick, Cadillac, Chevrolet, Pontiac, Set of 12

Part Number: CGT-CF1013

Not Yet Reviewed

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