2003 - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

ARB Air Locker 35 Spline Differential Ford 10.25/10.50 Inch RD140

Differential Carrier, Air Locker, Nodular Iron, Rear, Ford 10.25 in., Kit

Part Number: ARB-RD140

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today

Eagle Forged 4340 Steel Crankshafts 428135435933

Crankshaft, Internal Balance, Forged 4340 Steel, 3.543 in. Stroke, Ford, 4.6L, Each

Part Number: ESP-428135435933

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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ARB Air Locker 30 Spline Differential Dana 50 RD158

Differential Carrier, Air Locker, Nodular Iron, Front, Dana 50, Kit

Part Number: ARB-RD158

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

The Driveshaft Shop Driveshafts for 2001-2004 CORVETTE - 610082

Driveshaft, Rear, Assembled, Balanced, One-piece, Aluminum, 3.500 in. Diameter, Chevrolet, Each

Part Number: DSS-GMC5M-2-E

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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QuickTime Bellhousings RM-8077

Bellhousing, Steel, Black, SFI 6.1, Mopar Hemi V8 Modular Engine to T-56/T-56 Magnum Transmission, Kit

Part Number: QTI-RM-8077

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Nitrous Express Mopar Plate Nitrous Systems 20944-10

Nitrous Express Mopar Plate Nitrous Systems 20944-10

Nitrous Oxide System, Mopar Plate, Wet, +400 hp, 10 lb. Bottle, Aluminum, White, Chrysler, Dodge, Jeep, Kit

Part Number: NEX-20944-10

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

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Rough Country N3 Suspension Lift Kits 27220A

Suspension Lift Kit, N3, Steering Knuckles, Rear Leaf Spring Blocks, 6.00 in. Front, 6.00 in. Rear, Chevrolet, GMC, Kit

Part Number: ROU-27220A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

BoostLine Connecting Rods GM6418-358

Connecting Rod, Forged 4340 Steel, I-Beam, Cap Screw, Chevy, 6.6L Diesel, Set of 8

Part Number: BLN-GM6418-358

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Wilwood DPC56 Rear Brake Kits for 1997-2004 CORVETTE - 140-17670-D

Disc Brakes, DPC56, Rear, 12.01 in. Rotors, Brake Pads, Cross-Drilled/Slotted Rotor, 4-Piston, Black Powdercoated, BP-10 Brake Pads, Chevrolet, Kit

Part Number: WIL-140-17670-D

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Yukon Gear & Axle Dura Grip Positraction Carriers Dana 70/70-U YDGD70-3-32

Differential Carrier, Dura Grip Positraction, Clutch-type, 32-spline, Nodular Iron, Rear, Dana 70, Dana 70-U, Each

Part Number: YGA-26043

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Titan XXL Mid-Ship Fuel Tank Systems for 1999-2007 F-250 SUPER DUTY, F-350 SUPER DUTY - 7020599

Fuel Tank, 60 Gallons, Polyethylene, Black, Ford, 6.0L Diesel, 7.3L Diesel, Kit

Part Number: TFA-7020599

Not Yet Reviewed

Estimated Ship Date: Feb 24, 2026 if ordered today

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Estimated Ship Date: Feb 24, 2026 if ordered today

PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers KC2027-36

Brake Rotors, Pads, Red Calipers, Drilled/Slotted Rotors, Truck/Tow Pads, Front/Rear, Chevy, GMC, Kit

Part Number: PWR-KC2027-36

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Pacific Performance Engineering Exhaust Manifolds 116111020

Exhaust Manifolds, High Silicon Cast Iron, Black Ceramic Coated, Includes Stainless Steel Up-pipes, Chevrolet, GMC, 6.6L Diesel, LB7, Kit

Part Number: PPE-116111020

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Rough Country N3 Suspension Lift Kits for 1999-2004 F-250 SUPER DUTY, F-350 SUPER DUTY - 49730

Suspension Lift Kit, N3, Front and Rear Leaf Springs, Shocks, 6.00 in. Front, 6.00 in. Rear, Ford, Kit

Part Number: ROU-49730

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Injector Dynamics ID1300x Fuel Injectors 1300.60.14.14.6

Injector Dynamics 1340cc Injectors - 60mm Length - 14mm Purple Top - 14mm Lower O-Ring (Set of 6)

Part Number: IJD-13006014146

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

MagnaFlow Direct-Fit Catalytic Converters for 2000-2005 GS300, 2001-2005 IS300 - 452843

Catalytic Converter, Stainless Steel, Lexus, 3.0L, Front, Each

Part Number: MPE-452843

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Edelbrock Performer RPM Chrysler Magnum Cylinder Heads 61779

Cylinder Head, Performer RPM, Aluminum, Assembled, 58cc, 176cc Intake Runner, Dodge, Jeep, 5.2, 5.9L, Each

Part Number: EDL-61779

4.6 out of 5 stars ( 5 )

Estimated Ship Date: Mar 13, 2026 if ordered today

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Estimated Ship Date: Mar 13, 2026 if ordered today

QA1 Pro Coilover Systems for 2003-2011 CROWN VICTORIA - MD431-09450

Coilover Kit, Pro Coilover System, Front, Double Adjustable, Ford, Pair

Part Number: QA1-MD431-09450

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers KC2010A-36

Disc Brake Kit, 1-Click Performance, Pad/Caliper/Rotor, Cross-drilled/Slotted, Front and Rear, Chevy, GMC

Part Number: PWR-KC2010A-36

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Trans-Dapt Performance Swap-In-A-Box Complete Engine Swap Kits 44064

Engine Swap Kits, Swap-In-A-Box Complete, Shorty Silver Ceramic Coated Headers, Motor Mounts, Red Oil Pan, D-port, Chevrolet, GMC, 5.0L, 5.7L, Kit

Part Number: TRD-44064

Not Yet Reviewed

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Snow Performance Boost Cooler Stage-3 Diesel Water/Methanol Injection Systems 520-BRD

Diesel Stage 3 Boost Cooler Ford 7.3/6.0/6.4/6.7 Powerstroke Water-Methanol Injection Kit

Part Number: SNO-520-BRD

Not Yet Reviewed

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2119 GM 10.5 in. (14-bolt) 4.11 Gears

Ring and Pinion Gears,Yukon Gear & Axle 10.5" GM 14 Bolt, 4.11 Ratio Rear Ring & Pinion GearInstall Kit Package,

Part Number: YGA-10519

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

Belltech Lowering Kits with Street Performance Shock Absorbers for 1997-2003 F-150, 1997-1999 F-250 - 915SP

Suspension Kit ;

Part Number: BEL-915SP

Not Yet Reviewed

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Injector Dynamics ID1750x Fuel Injectors for 2003-2006 LANCER - 1750.60.11.D.4

Fuel Injector, ID1750x Series,1728.0cc/min Flow Rate, USCAR, 2.67 in. Height, Mitsubishi, Set of 4

Part Number: IJD-17506011D4

Not Yet Reviewed

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converters for 2003-2011 ELEMENT - 5461990

Catalytic Converter, California Grade, Direct-Fit, Stainless Steel Case, for use on Honda®, 2.4L, Each

Part Number: MPE-5461990

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

2003 Parts and Accessories