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

4.79 out of 5 stars ( 24 )

Estimated Ship Date: Monday 12/29/2025

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

Part Number: ARP-400-1212

4.88 out of 5 stars ( 32 )

Estimated Ship Date: Monday 12/29/2025

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 12/29/2025

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

Part Number: ARP-400-1403

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

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

Part Number: ARP-400-1202

4.64 out of 5 stars ( 28 )

Estimated Ship Date: Monday 12/29/2025

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

Part Number: ARP-400-1210

4.98 out of 5 stars ( 48 )

Estimated Ship Date: Monday 12/29/2025

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 12/29/2025

Header Studs, 12-Point Nut, 1.750 Length, Stainless Steel, Polished, Chevrolet, Gen V, 6.2L, Set of 10

Part Number: ARP-434-1401

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

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Header Bolts, 12-Point, 5/16 in. Wrench, Stainless Steel, Polished, 3/8 in.-16, 0.750 in. U.H.L., Set of 16

Part Number: ARP-400-1208

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/29/2025

Header Bolts, 3/8-16 in., 12-Point, Stainless Steel, Polished, Chevrolet, Big Block, Set of 16

Part Number: ARP-400-1217

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/29/2025

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 12/29/2025

Header Studs, 12-Point Nuts, Stainless Steel, Polished, 3/8 in.-16, Ford, V8, Set of 16

Part Number: ARP-400-1404

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 12/29/2025

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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 12/29/2025

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 12/29/2025

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 12/29/2025

Header Bolts, 12-Point, Stainless Steel, Polished, 5/16 in.-18, Chrysler, Small Block, Set of 14

Part Number: ARP-444-1202

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 12/29/2025

Header Bolts, 12-Point Head, 30mm UHL, Stainless Steel, Polished, Chevrolet, Gen V, 6.2L, Set of 10

Part Number: ARP-434-1103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

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 12/29/2025

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

Part Number: ARP-445-1301

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

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Header Bolts, 12-Point Head, 30mm UHL, Stainless Steel, Polished, Chrysler, Dodge, Ram, 5.7L, 6.1L, Set of 16

Part Number: ARP-440-1201

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

Header Studs, 12-Point Nuts, Stainless Steel, Polished, 3/8 in.-16, Oldsmobile, 330-455, Set of 14

Part Number: ARP-480-1401

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/29/2025

Header Bolts, 12-Point, 3/8 in. Wrench, Drilled, Stainless Steel, Polished, 0.875 in. U.H.L., Set of 16

Part Number: ARP-400-1204

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/29/2025

Header Bolts, 12-Point, 5/16 in. Wrench, Stainless Steel, Polished, 3/8 in.-16, 0.750 in. U.H.L., Set of 12

Part Number: ARP-400-1207

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

Header Bolts, Locking, External 12-point, Stainless Steel, Natural, Chrysler, Small Block V8, Set of 12

Part Number: STG-8955

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 6, 2026 if ordered today

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