Headers

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

Part Number: ARP-400-1107

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Header Bolts, Wedge Locking, Hex Head, Steel, Black Oxide, 3/8-16 in. Thread, 0.750 in. UHL, Chevy, Set of 12

Part Number: PRO-66751

4.5 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

Header Collector, 3 Into 1, Weld-on, 1.75 in. Primaries, 3 in. Collector, Steel, Natural, Each

Part Number: SCH-WO73030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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

Part Number: ARP-480-1101

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: ARP-100-1203

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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

Part Number: ARP-100-1103

4.86 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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: Tomorrow

Header Collector, 4 Into 1, Weld-on, 1.875 in. Primaries, 3 in. Collector, Steel, Natural, Each

Part Number: SCH-WO83040

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header Bolts, Hex Head, 3/8 in. Wrench, Drilled, Stainless Steel, Polished, Chevy, Small Block, Set of 12

Part Number: ARP-400-1103

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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

Part Number: ARP-400-1106

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.875 in. Port, Each

Part Number: SCH-0112

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Header Fasteners, Header Bolt Kits, Flanged, 3/8 in. - 16 Thread Size, Steel, Black Oxide, 0.750 in. Underhead Length, Set of 12

Part Number: EDL-8540

2.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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: Tomorrow

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

Part Number: ARP-120-1412

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Heat Exchanger Components, J Tubes, Volkswagen, Pair

Part Number: VWP-B2-5100-0

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header Collector, 4 Into 1, Weld-on, 2.25 in. Primaries, 4 in. Collector, Steel, Natural, Each

Part Number: SCH-WO24040

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.875 in. Port, Each

Part Number: SCH-0120

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header bolt kit for GM GEN V LT Engines. (10) M8-1.25 x 25mm Grade 18-8 SS header bolts. 10mm head.

Part Number: KOK-BK113

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 19, 2026 if ordered today

• Drop Ship
• Special Order

Header Fasteners, Bolts, Allen Head, Black Oxide, Steel, 8mm x 1.25 Thread, 25mm Length, Set of 16

Part Number: MRG-978G

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Dodge, 3.9L, V6, Set of 8

Part Number: STG-6916

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Ball and Socket Locking Bolt Kit. (4) M10 x 75, Hex Head Flange Bolt (serrated), Grade 18-8 SS. (4) M10, Hex Head Flange Nut (Locking), Grade 18-8 SS.

Part Number: KOK-BK114

Not Yet Reviewed

Estimated Ship Date: Jun 19, 2026 if ordered today

• Drop Ship
• Special Order

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: Tomorrow

HEADER BOLT KIT, GM LS, 4.8, 5.3, 5.7, 30mm UHL, 3/8" Wrenching, Set of 12ea

Part Number: PQX-1011902

Not Yet Reviewed

Estimated Ship Date: Jun 24, 2026 if ordered today

• Drop Ship
• Special Order

Header Collector, Formed, 2 Into 1, Weld-on, 1 5/8 in. Primary, 2.0 in. Collector Diameter, 6.5 in. Length

Part Number: PTE-H7659

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 14, 2026 if ordered today

• Drop Ship
• Special Order

Header Collector, Formed, 2 Into 1, Weld-on, 1 3/4 in. Primary, 2.25 in. Collector Diameter, 6.5 in. Length

Part Number: PTE-H7663

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

• Drop Ship
• Special Order