Header Fasteners

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, 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 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 Bolts, 12-Point, 3/8 in. Wrench, Stainless Steel, Black Oxide, Chevy, Small Block, Set of 12

Part Number: SUM-910212

5.0 out of 5 stars ( 8 )

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, 20mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12

Part Number: ARP-434-1101

5.0 out of 5 stars ( 5 )

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, Locking, 6-point, Steel, Nickel Plated, Chevy, 4.8, 5.3, 5.7L, Set of 12

Part Number: STG-8900B

4.71 out of 5 stars ( 7 )

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 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, Split Lock, 8mm x 1.25, 12-Point, Steel, Black Oxide, Chevy LS, Ford 4.0L, Set of 12

Part Number: SUM-910123

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/29/2025

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

Part Number: STG-8911B

4.25 out of 5 stars ( 8 )

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 Fasteners, Bolts, Hex Head, Stainless Steel, Chevy, Chrysler, Pontiac, Set of 12

Part Number: MRG-2210G

5.0 out of 5 stars ( 1 )

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, Hex Head, 30mm UHL, 3/8 in. Wrench, Stainless Steel, Black, Chevy, LS Engine, Set of 12

Part Number: SUM-910232

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Header Studs, Hex Nuts, Stainless Steel, Polished, 3/8 in.-16, Chevy, Small Block, Set of 12

Part Number: ARP-400-1412

4.38 out of 5 stars ( 8 )

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 Bolts, 12-Point, 3/8 in. Wrench, Stainless Steel, Polished, 3/8 in.-16, 0.750 in. U.H.L., Set of 12

Part Number: ARP-400-1201

4.61 out of 5 stars ( 23 )

Estimated Ship Date: Monday 9/29/2025

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, Custom 450, Black Oxide, Chevy, Small Block, Set of 12

Part Number: ARP-100-1201

4.73 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, 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 Bolts, Hex Head, 5/16 in. Wrench, Custom 450, Black Oxide, 3/8 in.-16, 0.750 in. U.H.L., Set of 12

Part Number: ARP-100-1107

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/29/2025