2003 Headers

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

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

• Free Shipping

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

Part Number: BBK-1533

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

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

Part Number: KOK-7046AS

Not Yet Reviewed

Estimated Ship Date: Today

Headers, Competition Ready, Stainless Steel, Natural, Ford, 4.6L, Pair

Part Number: JBA-6635S

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Header Bolts, 12-Point Head, 30mm UHL, Stainless Steel, Polished, Chrysler, Dodge, Ram, 5.7L, 6.1L, Set of 16

Part Number: ARP-440-1201

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Z33/Z34/G35/G37 LS Swap Headers Stainless Steel Long Tube 1 7/8" Primaries w/ 3" Merge Collector & Complete V-band Clamp Assembly (Gaskets & Hardware)

Part Number: SKM-HDR022SS

Not Yet Reviewed

Estimated Ship Date: May 12, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

1 5/8" x 2 1/2" Stainless Steel Longtube Header. 2V - 5.4 (1999 - 2004) Header.

Part Number: KOK-13312000

Not Yet Reviewed

Estimated Ship Date: Jun 19, 2026 if ordered today

• Free Shipping
• Special Order

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

Headers, Street, Shorty, Steel, Silver Ceramic Coated, Dodge, 4.7L, Pair

Part Number: HED-79576

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Chevy, GMC, Pickup, 4.3L, Pair

Part Number: JBA-1840S-4JS

4.0 out of 5 stars ( 2 )

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

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 Bolts, Split Lock, 8mm x 1.25, 12-Point, Steel, Black Oxide, Chevy LS, Ford 4.0L, Set of 12

Part Number: SUM-910123

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

Headers, Cat4ward, Stainless Steel, Natural, Ford, Pickup, 5.4L, Pair

Part Number: JBA-1679S-3

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Cadilllac, Chevy, GMC, SUV, Pickup, 4.8, 5.3L, Pair

Part Number: JBA-1850S-2JS

4.95 out of 5 stars ( 20 )

Estimated Ship Date: Today

• Free Shipping

Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Toyota, w/o Air Injection, 4.0L, Pair

Part Number: JBA-2035SJS

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Cat4ward, Stainless Steel, Natural, Ford, 4.6L, Pair

Part Number: JBA-1625S-9

Not Yet Reviewed

Estimated Ship Date: May 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Header Flanges, Steel, 3/8 in. Thick, 2.00 in. Diameter Round Port, Chevy, LS, Pair

Part Number: SUM-670202

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: BIG-11585FLT

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Headers, Shorty, Steel, Silver Ceramic Coated, Chevy, GMC, Pair

Part Number: BIG-31142FLT

4.5 out of 5 stars ( 12 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: PRO-66755

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Today

Headers, Hot Rodz Engine Swap, Mid-Length, Steel, Silver Ceramic Coated, GM, S10/S15, Pair

Part Number: HED-69046

Not Yet Reviewed

Estimated Ship Date: Jul 13, 2026 if ordered today

• Drop Ship
• Free Shipping
• Special Order

Headers, Shorty, Steel, Titanium ceramic, Cadillac, Chevy, GMC, 4.8, 5.3L, Pair

Part Number: BBK-4005

3.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: HED-69566

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Headers, Cat4ward, Shorty, Stainless Steel, Natural, Dodge, 5.7L Hemi, Pair

Part Number: JBA-1961S-1

4.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

• Free Shipping