Header Fasteners

Header Studs, 12-Point Nuts, Stainless Steel, Polished, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12

Part Number: ARP-434-1301

4.78 out of 5 stars ( 23 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Header Studs, 12-Point Nuts, Custom 450, 3/8 in.-16 Base Thread, 3/8 in.-24 Top Thread, Black Oxide, Chevy Small Block, Set of 12

Part Number: ARP-100-1402

4.44 out of 5 stars ( 18 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, 12-Point Head, 30mm UHL, 3/8 in. Wrench, Steel, Black Oxide, Chevy, LS Engine, Set of 12

Part Number: ARP-134-1202

5.0 out of 5 stars ( 44 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, 12-Point Head, 30mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12

Part Number: ARP-434-1202

4.38 out of 5 stars ( 32 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, 12-Point Head, 20mm UHL, 3/8 in. Wrench, Stainless Steel, Polished, Chevy, LS Engine, Set of 12

Part Number: ARP-434-1201

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/29/2025

Header Bolts, 12-Point Head, 20mm UHL, 3/8 in. Wrench, Steel, Black Oxide, Chevy, LS Engine, Set of 12

Part Number: ARP-134-1201

5.0 out of 5 stars ( 3 )

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 Studs, 12-Point Nuts, Stainless Steel, Polished, 3/8 in.-16, 1.670 in. U.H.L., Set of 12

Part Number: ARP-400-1402

4.38 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/29/2025

• Free Shipping

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Dodge, 5.9L Diesel, 6.7L Diesel, Set of 12

Part Number: STG-6935

Not Yet Reviewed

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 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 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 Studs, Stainless 12-Point, Buick V6, 3.8L, 12 Pieces

Part Number: ARP-420-1402

Not Yet Reviewed

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, 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 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

Header Studs, 12-Point Nuts, Custom 450, Black Oxide, Buick 3.8L, Set of 12

Part Number: ARP-120-1402

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025

Header Bolts, 12-Point, 3/8 in. Wrench, Custom 450, Black Oxide, Chevy, Small Block, Drilled, Set of 12

Part Number: ARP-100-1203

Not Yet Reviewed

Estimated Ship Date: Monday 9/29/2025