1991 CHEVROLET Headers

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Small Block, Fits 1.75 in. Primaries, Pair

Part Number: STW-HFSBCSQ175

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Headers, Turbo, Up and Forward, 304 Stainless Steel, Polished, 1.750 in. Primary, 2.50 in. V-Band Collector, Chevrolet, Small Block Gen I, Pair

Part Number: BIG-11570FLT

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Upright, 1 1/2 in. Primary, 2.5 in. Collector, D-Port, Stainless Steel, Natural, GM, 2.8L, 3.1L, 3.4L, Pair

Part Number: BIG-11587FLT

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Flange Big Block Chevrolet

Part Number: KOK-7041-250-S

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Header Flanges, No Stubs, Steel, 0.250 in. Thick, 1.625 in. Port, Each

Part Number: SCH-01101

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Headers, Blockhugger,, Steel, Silver Ceramic Coated, Chevy, GMC, LS Swap, Pair

Part Number: SNH-CSLS1-SEC

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

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: Tomorrow

Headers, Long Tube, Steel, Black, Chevy, GMC, SUV, Pickup, 4WD, Small Block, Pair

Part Number: PTE-H8049-B

3.67 out of 5 stars ( 3 )

Estimated Ship Date: May 21, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

1988-98 Chevy/GMC 1500 4wd extended cab, short bed 1500 (142" W.B.) long tube headers, 1.875" dia. primaries w

Part Number: STW-CT8898HCATY

Not Yet Reviewed

Estimated Ship Date: Jun 29, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Upright, 1 5/8 in. Primary, 3 in. Collector, Stainless Steel, Natural, Chevy, Small Block, Pair

Part Number: BIG-11545FLT

3.33 out of 5 stars ( 3 )

Estimated Ship Date: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Street, Mid-Length, Steel, Black Ceramic Coated, Buick, Chevy, Oldsmobile, Pontiac, Small Block, Pair

Part Number: HED-63601

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

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: May 21, 2026 if ordered today

• Drop Ship
• Special Order

Header Flanges, 304 Stainless Steel, 3/8 in. Thick, Chevy Small Block, Fits 1.875 in. Primaries, Pair

Part Number: STW-HFSBCSQ1875

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

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: Tomorrow

Headers, Long Tube, 304 Stainless Steel, Silver Ceramic Coated, Chevy, GMC, Big Block, Pair

Part Number: HED-62826

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jul 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Shorty, Steel, Ceramic Coated, Chevy, Small Block, Pair

Part Number: DOU-D305

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 27, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Shorty, Steel, 16 Gauge 1 5/8 in. Primaries, Standard Flange, SAP Port, 3 Bolt Flange, 3 in. Collector, High Temp. Paint, Chevy, Pontiac,Pair

Part Number: DOU-D3320-B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

Header Flanges, No Stubs, Steel, 0.375 in. Thick, 1.750 in. Port, Gaskets, Bolts, Pair

Part Number: PTE-H7832

Not Yet Reviewed

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

Headers, Turbo, Down/Forward, Stainless, Natural, 2.50 in. Tube, 3.50 in. Collector, Chevy, Big Block, Pair

Part Number: TFS-BBCDFT

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

Headers, Dragster, Upswept, Stainless Steel, Natural, 2 1/2 in. Standard Primary, 5 in. Collectors, Chevy, Big Block, Pair

Part Number: STW-UPBBC250

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Jun 30, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Specialty and Engine Swap, Mid-Length, Steel, Black Ceramic Coated, Chevy, GMC, Pair

Part Number: HED-69523

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order