Headers

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 2/23/2026 if shipped by air

Header Bolts, Hex Head, 3/8 in. Wrench, Stainless Steel, 3/8 in.-16, 1.000 in. U.H.L., Set of 16

Part Number: ARP-400-1112

4.91 out of 5 stars ( 23 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

Header Bolts, 12-Point, 3/8 in. Wrench, Custom 450, Black Oxide, Chevy, Ford, Set of 16

Part Number: ARP-100-1202

4.9 out of 5 stars ( 21 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.875 in. Port, Each

Part Number: KOK-7046AS

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Header Bolts, Hex Head, 30mm UHL, Chromoly, Black Oxide, Chevrolet, Gen V, 6.2L, Set of 10

Part Number: ARP-134-1104

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: ARP-400-1109

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Header Bolts, Hex Head, Custom 450, Black Oxide, Chrysler, Small Block, Set of 14

Part Number: ARP-144-1102

4.53 out of 5 stars ( 17 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

Header Bolts, 3/8 in.-16, 12-Point, Steel, Black Oxide, Chevy, Ford, Set of 16

Part Number: BBK-1577

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

Header Bolts, 12-Point, 3/8 in. Wrench, Custom 450, Black Oxide, 3/8 in.-16, 1.000 in. U.H.L., Set of 16

Part Number: ARP-100-1212

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: ARP-100-1108

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

Header Studs, Hex Nuts, Custom 450, Black Oxide, Chevy Small Block, Set of 12

Part Number: ARP-100-1412

3.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

Header Bolts, 12-Point Head, 30mm UHL, Chromoly, Black Oxide, Chevrolet, Gen V, 6.2L, Set of 10

Part Number: ARP-134-1103

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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 2/23/2026 if shipped by air

Header Collectors, Weld-On, 2 in. Primary Tube Diameter, 3.50 in. Collector Diameter, Each

Part Number: HED-29108

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 2/23/2026 if shipped by air

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

Part Number: ARP-434-1104

Not Yet Reviewed

Estimated Ship Date: Monday 2/23/2026 if shipped by air