2003 Headers

Header Fasteners, Locking Header Bolts, Internal Allen/Hex Head, Stainless Steel, Chevy, Set of 12

Part Number: MRG-2235G

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

Header Fasteners, Bolts, Locking, 6-point, Steel, Nickel Plated, Chevy, 4.8, 5.3, 5.7L, Set of 12

Part Number: STG-8900B

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Today

Headers, Cat4ward, Stainless Steel, Natural, Chevy, GMC, Pickup, 8.1L, No Air Injection, Pair

Part Number: JBA-1860S

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Headers, Shorty, Steel, Ceramic Coated, Ford, 4.6L SOHC, Pair

Part Number: BBK-35150

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Headers, Cat4ward, Stainless Steel, Natural, Chevy, GMC, SUV, S-Series Pickup, 4.3L, Pair

Part Number: JBA-1840S-3

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Headers, Full-Length, Steel, Black Ceramic Coated, Cadillac, Chevrolet, GMC, Pair

Part Number: HED-69723

Not Yet Reviewed

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

Part Number: HED-68603

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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1 7/8" x 3" Stainless Steel Longtube Header. 4V - 4.6 (1996 - 2004) Header w/ 1pr 24" 02 Extension Harness.

Part Number: KOK-11222400

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 29, 2026 if ordered today

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Circle Track Dirt Late Model Headers, LS, 1 5/8 to 1 3/4 stepped 3 in. collector w/ O2, Rocket, Pierce, Lazer, Longhorn, Swartz, Stinger, Kryptonite

Part Number: SUM-DLM-LS-S1A

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Headers, LS Turbo, Forward and Up, Stainless Steel, Silver Ceramic Coated, 3.00 in. Collector Diameter, Round Port, Chevrolet, Small Block LS, Pair

Part Number: BIG-31537FLT

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Headers, CNC Series Performance, Shorty, Steel, Polished Ceramic Coated, 1 5/8 in. Primary Tube O.D., Ford, 5.4L, Pair

Part Number: BBK-35180

3.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Headers, Specialty and Engine Swap, Long Tube, Steel, Temporary Paint, Chevy, GMC, Small Block, Pair

Part Number: HED-69030

2.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

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LS Turbo Headers (Up and forward) 1-3/4" 409SS GM 4.8/5.3/6.0L V8 - Natural Finish

Part Number: BIG-11535FLT

4.27 out of 5 stars ( 11 )

Estimated Ship Date: Today

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headers, Subaru WRX EJ20 TRI-Y 1"3/4 Stainless Steel Header System With Up Pipe

Part Number: XFO-THEJ20TY

3.0 out of 5 stars ( 5 )

Estimated Ship Date: Apr 21, 2026 if ordered today

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Headers, Specialty and Engine Swap, Mid-Length, Steel, Temporary Paint, Chevy, GMC, Small Block LS, Pair

Part Number: HED-68540

4.25 out of 5 stars ( 8 )

Estimated Ship Date: Today

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Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Toyota, 4.7L, Pair

Part Number: JBA-2010SJS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 23, 2026 if ordered today

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Header Fasteners, Bolts, Locking, 12-point, Steel, Nickel Plated, Dodge, 5.9L Diesel, 6.7L Diesel, Set of 12

Part Number: STG-6935

Not Yet Reviewed

Estimated Ship Date: Today

Headers, Upright, 1 5/8 in. Primary, 2.5 in. Collector, Stainless Steel, Natural, GM, 2.8L, 3.1L, 3.4L, Pair

Part Number: BIG-11586FLT

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Header Bolts, Hex Head, 8mm x 1.25 Thread Size, Steel, Black Oxide, 0.984 in. Underhead Length, Chevy, Small Block LS, Set of 12

Part Number: MRG-918G

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Today

Headers, Shorty, Steel, Painted, Ford, Pickup, SUV, 4.6L, Pair

Part Number: SUM-G9046

3.0 out of 5 stars ( 14 )

Estimated Ship Date: Today

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LS Turbo Headers (Up and forward) 1-3/4" 304SS GM 4.8/5.3/6.0L V8 - Polished Finish

Part Number: BIG-11539FLT

3.33 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Header Bolts, Hex Head, Steel, Nickel Plated, 8mm x 1.25, Chevy, 5.7, 6.0L, LS1, LS6, Set of 12

Part Number: PRO-66754

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

Header Flanges, No Stubs, Stainless, 0.375 in. Thick, 1.875 in. Port, Each

Part Number: KOK-7046AS

Not Yet Reviewed

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Headers, Long Tube, Steel, Titanium Ceramic Coated, Ford, 4.6L DOHC, Pair

Part Number: BBK-1533

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Header Bolts, Hex, 8mm x 1.25 Thread, Steel, Zinc Plated, 30mm Underhead Length, Ford, 4.6L, 5.4L, Set of 16

Part Number: BBK-1624

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today