CHEVROLET 5.7L/350 Headers

Header Bolts, Hex Head, 30mm UHL, 10mm Wrench, 8740 Chromoly, Black Oxide, Chevy, LS, Set of 12

Part Number: ARP-134-1102

5.0 out of 5 stars ( 29 )

Estimated Ship Date: Monday 10/27/2025

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 10/27/2025

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 10/27/2025

Header Bolts, Hex Head, 1.181 in. UHL, 10mm Wrench, Stainless Steel, Polished, Chevy, LS, Set of 12

Part Number: ARP-434-1102

4.71 out of 5 stars ( 14 )

Estimated Ship Date: Monday 10/27/2025

Header Bolts, Hex Head, 1.000 in. UHL, 3/8 in. Wrench, Stainless Steel, Natural, Chevy, LS Engine, Set of 12

Part Number: SUM-910231

2.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

Header Fasteners, Locking Header Bolts, 3/8 in.-16 Thread, Internal Allen/Hex Head, Stainless Steel, Chevy, Set of 12

Part Number: MRG-2230G

4.54 out of 5 stars ( 26 )

Estimated Ship Date: Monday 10/27/2025

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 ( 4 )

Estimated Ship Date: Monday 10/27/2025

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 10/27/2025

Header Bolts, Hex Head, 20mm UHL, 10mm Wrench, Steel, Black Oxide, Chevy, LS, Set of 12

Part Number: ARP-134-1101

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

Header bolt kit, Extreme Duty, Chromoly, Black Oxide, Chevy LS, 6 pt., Set of 12

Part Number: SUM-910502

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

Header Flanges, Steel, 3/8 in. Thick, 1.75 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670203

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 1 in. UHL, Chevy, Set of 12

Part Number: PRO-66753

4.57 out of 5 stars ( 23 )

Estimated Ship Date: Monday 10/27/2025

Header Flanges, Steel, 3/8 in. Thick, 1.84 in. x 1.54 in. Oval Port, Chevy, Small Block, Pair

Part Number: SUM-670200

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Monday 10/27/2025

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 10/27/2025

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 10/27/2025

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 10/27/2025

Header Flanges, Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 10/27/2025

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 10/27/2025

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 10/27/2025

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 10/27/2025

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 10/27/2025

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 0.750 in. UHL, Chevy, Set of 16

Part Number: PRO-66752

4.73 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/27/2025

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 10/27/2025

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 10/27/2025