Header Fasteners

Header Bolts, Hex Head, Steel, Black Oxide, 5/16 in.-18, 0.750 in. U.H.L., Chrysler, Small Block, Set of 14

Part Number: MRG-976

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/17/2025

Header Fasteners, Self-Locking Wedge Header Bolts, Hex Head, Steel, Nickel Plated, 3/8 in.-16 Thread Size, 0.750 in. Underhead Length, Set of 16

Part Number: PRO-66823

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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 11/17/2025

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 11/17/2025

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 11/17/2025

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 11/17/2025

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

Part Number: ARP-400-1108

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/17/2025

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

Part Number: ARP-100-1107

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/17/2025

Header Bolts, Hex Head, Steel, Natural, 5/16 in.-18, 0.750 in. U.H.L., Set of 12

Part Number: TRD-4900

4.93 out of 5 stars ( 14 )

Estimated Ship Date: Monday 11/17/2025

Header Bolts, Hex Head, Custom 450, Black Oxide, Oldsmobile, Big, Small Block, V8, Set of 14

Part Number: ARP-180-1101

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/17/2025

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: Monday 11/17/2025

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

4.43 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/17/2025

Header Bolt, Hex Head, Steel, Black Oxide, 3/8 in.-16, 0.750 in. U.H.L., Set of 16

Part Number: MIL-84541

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/17/2025

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: Monday 11/17/2025

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 11/17/2025

Header Bolts, Hedder Bolt Kit, Header, 3/8-16 x 0.750 in., Black Oxide, Hex, 16 pc.

Part Number: HED-09001

Not Yet Reviewed

Estimated Ship Date: Monday 11/17/2025

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: Monday 11/17/2025

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

Part Number: MRG-915

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/17/2025

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 11/17/2025

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: Monday 11/17/2025

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: Monday 11/17/2025

Header Bolt, Hex Head, Steel, Black Oxide, 3/8 in.-16, 0.750 in. U.H.L., Set of 12

Part Number: MIL-84540

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/17/2025

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: Monday 11/17/2025

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

Part Number: ARP-100-1103

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/17/2025

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: Monday 11/17/2025