1990 CHEVROLET Headers

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, V6, Small Block, Set of 12

Part Number: STG-8911

4.51 out of 5 stars ( 57 )

Estimated Ship Date: Monday 1/19/2026

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, Ford, Chrysler, V8, Set of 16

Part Number: STG-8912

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 1/19/2026

Header Flanges, Steel, 3/8 in. Thick, 2.0 in. Diameter Round Port, Chevy, Big Block, Pair

Part Number: SUM-670201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 1.84 in. x 1.54 in. Oval Port, Chevy, Small Block, Pair

Part Number: SUM-670200-SS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

Installation Kit, for Headers, Oval Exhaust Ports, Gaskets, Bolts, Chevy, Small Block, Kit

Part Number: MRG-7652G

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 1/19/2026

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2 in. Port, Gaskets, Bolts, Chevy, Small Block, Pair

Part Number: PTE-H7895

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, 2.0 in. Diameter Round Port, Chevy, Big Block, Pair

Part Number: SUM-670201-SS

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Header Flanges, Inner Flange, Aluminum, 0.250 in. Thick, 1.250 in. Port, Each

Part Number: SCH-0101

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.625 in. Round Port, Gaskets, Bolts, Pair

Part Number: PTE-H7864

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.625 in. Oval Port, Gaskets, Bolts, Pair

Part Number: PTE-H7863

4.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 2.000 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7899

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/19/2026

Header Flanges, No Stubs, Steel, 0.313 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7894

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/19/2026

Header Flange, Stahl Pattern, 304 Stainless Steel, 0.375 in. Thick, 1.875 in. Primaries, Chevy Small Block, Each

Part Number: KOK-7034-S

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Chevy, 5.7L, Set of 16

Part Number: STG-8907S

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 1/19/2026

Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 2.125 in. Port, Each

Part Number: KOK-7040S

Not Yet Reviewed

Estimated Ship Date: Mar 16, 2026 if ordered today

• Drop Ship
• Special Order

Header Flanges, No Stubs, Steel, 0.313 in. Thick Flange, 1.875 in. Port, Each

Part Number: SCH-0164-5

Not Yet Reviewed

Estimated Ship Date: Monday 1/19/2026

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.50 in. Port, Gaskets, Bolts, Chevy, 4.3L, Pair

Part Number: PTE-H7883

3.0 out of 5 stars ( 3 )

Estimated Ship Date: Feb 9, 2026 if ordered today

• Drop Ship
• Special Order

Header Flanges, Stock Bolt Pattern, Steel, Oval Port, 0.313 in. Thick, Chevy, Small Block, Pair

Part Number: PTE-H7825

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

• Drop Ship
• Special Order

Header Fasteners, Bolts, Locking, Double Hex Head, Steel, Nickel Plated, Chevy, 3.8L, Set of 12

Part Number: STG-6912

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

• Drop Ship
• Special Order