Header Fasteners

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: Today

Header Studs, 12-Point Nuts, Custom 450, Black Oxide, Chrysler, Small Block, V8, Set of 16

Part Number: ARP-245-1301

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Header Bolts, Split Lock, 8mm x 1.25, 12-Point, Steel, Black Oxide, Ford Modular, Chevy 8.1L, Set of 16

Part Number: SUM-910124

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Today

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: Today

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, Ford, Chrysler, V8, Set of 16

Part Number: STG-8932

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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

Part Number: ARP-100-1208

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Header Bolts, 12-Point, Custom 450, Black Oxide, Chrysler, Small Block, Set of 14

Part Number: ARP-144-1202

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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: Today

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: Today

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: Today

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: Today

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: Today

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

Part Number: ARP-100-1207

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

AMC 150 HEADER KIT

Part Number: STG-4918

Not Yet Reviewed

Estimated Ship Date: Today

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Ford, 240, 300, L6, Set of 13

Part Number: STG-6914

Not Yet Reviewed

Estimated Ship Date: Today

Header Fasteners, Bolts, Locking, External 12-point, Steel, Nickel Plated, AMC, 232, 258, L6, Set of 12

Part Number: STG-6917

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: ARP-480-1201

Not Yet Reviewed

Estimated Ship Date: Today

Header Fasteners, Bolts, Locking, 12-point, Seal, Nickel Plated, AMC, Buick, Chrysler, Pontiac, Set of 12

Part Number: STG-8936

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, 3/8-16 in., 1.250 in. UHL, Pair

Part Number: STG-8910B

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

Header Bolts, Locking, 1/4-20 in. Thread Size, 12-point Head, Steel, Nickel Plated, 1.250 in. UHL, Pair

Part Number: STG-1901B

Not Yet Reviewed

Estimated Ship Date: Today

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, 5.7L, Set of 12

Part Number: STG-8907

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 12, 2025 if ordered today

• Drop Ship
• Special Order

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: Nov 12, 2025 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Header Studs, 12-Point Nuts, Chromoly, Black Oxide, 9/16 in. Wrench, Chevy, Small Block, Set of 12

Part Number: MIL-81500

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 23, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Header Bolts, Split Lock, 3/8-16 in., 12-Point, Steel, Black Oxide, Chevy, Mopar, AMC, Single Replacement, Each

Part Number: SUM-910120-1

Not Yet Reviewed

Estimated Ship Date: Today

Header Bolts, 12-Point Head, 25mm UHL, 3/8 in. Wrench, Titanium, Natural, Chevy, LS Engine, Set of 12

Part Number: LPE-TPM00002

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping