Headers

Header Bolt, Hex Head, Steel, Black Oxide, 3/8 in.-16, 1.000 in. U.H.L., Set of 16

Part Number: MIL-84543

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: SUM-G1490A

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

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

Part Number: ARP-100-1201

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Bolts, Hex Head, Steel, Black Oxide, 3/8 in.-16, 1.000 in. U.H.L., Set of 12

Part Number: MRG-917

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Bolt

Part Number: TRD-9943

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Fasteners, Bolts, Hex Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12

Part Number: MIL-84542

4.83 out of 5 stars ( 18 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Fasteners, Bolts, Allen Head, Steel, Black Oxide, 3/8 in.-16, .750 in. UHL, Set of 12

Part Number: MRG-3420G

3.27 out of 5 stars ( 11 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Bolts, Hedder Bolt Kit, Header, 5/16-18 x 1.00 in., Black Oxide, Hex, 16 pc.

Part Number: HED-09007

4.56 out of 5 stars ( 9 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Fasteners, Bolts, Hex Head, Stainless Steel, Natural, 3/8-16 in., Set of 12

Part Number: SUM-G1490

3.36 out of 5 stars ( 25 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Patriot Exhaust H7981 10MM- 1.25 x 25MM Zinc plated header bolts 3/8-in. flanged head (pack of 16)

Part Number: PTE-H7981

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Weld-In Bungs and Fittings, Oxygen Sensor Bung Type, M18 x 1.5 Female Thread, Stainless Steel, Each

Part Number: HTH-HT-010702

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Bolts; Hex Head; 0.375 in.-16 x 0.75 in.; 16 pc.

Part Number: MRG-919G

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Fasteners, Bolts, Hex Head, Steel, Gold Iridated, Chevy, Universal, Set of 12

Part Number: SPE-46723

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Collector, 4 Into 1, Weld-on, 1.75 in. Primaries, 3 in. Collector, Steel, Natural, Each

Part Number: SCH-WO73040-91-2

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Bolt, Hex Head, M8 x 1.25 Thread, Steel, Black, 1.00 in. Overall Length, Buick, Cadillac, Chevrolet, Pontiac, Set of 12

Part Number: CGT-CF1013

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Bolts, Hedder Bolt Kit, Header, 3/8-16 x 1.00 in., Zinc Plated, Hex, 16 pc.

Part Number: HED-09002

4.8 out of 5 stars ( 5 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Oxygen Sensor Bung, Weld-in, Aluminum, M18 x 1.5 Female Threads, Each

Part Number: HTH-HT-010701

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Bolts, Flanged Hex Head, 3/8-16 in., 0.750 in. Underhead Length, Set of 16

Part Number: SCH-3006-16

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Collector Fasteners, Bolts, Includes 6 Bolts and 6 Nuts, 1.25 in. Long, Steel, Zinc Plated, Kit

Part Number: HED-09012

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Tether System, Replacement Primary Tube Clamp, 2 1/4 in., Stainless Steel, Pair

Part Number: CHH-2250

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Drop Ship

Header Bolts, Hedder Bolt Kit, Header, 5/16-18 x 1.00 in., Zinc Plated, Hex, 16 pc.

Part Number: HED-09006

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Collector Lock Tabs, 2 Weld-On Titanium Tabs, 3.50 in. Stainless Steel Spring, Kit

Part Number: VPE-10341

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air

Header Tether System, Replacement Collector Clamp, 4.000 in., Stainless Steel, Pair

Part Number: CHH-4000

Not Yet Reviewed

Estimated Ship Date: Monday 3/2/2026 if shipped by air

• Drop Ship

Header Fasteners, Bolts, Allen Head, Steel, Black Oxide, Chevy, Chrysler, Pontiac, Set of 12

Part Number: MRG-916

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/2/2026 if shipped by air