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

ICON Premium Forged Piston and Ring Kits IC548CKTS.020

Piston and Ring Kits, Premium, Forged Aluminum, 3.800 in. Bore, 3.622 in. Stroke, Dome, Chevy, LS, Set of 8

Part Number: UEM-IC548CKTS020

Not Yet Reviewed

Estimated Ship Date: Mar 26, 2026 if ordered today

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Estimated Ship Date: Mar 26, 2026 if ordered today

Superchips Dashpaq Plus Computer Programmers 10601

Computer Programmer, Dashpaq+, Ford, Lincoln, Mazda, Each

Part Number: SRC-10601

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 25, 2026 if ordered today

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Estimated Ship Date: Feb 25, 2026 if ordered today

Borla Touring Exhaust Systems for 1999-2004 GRAND CHEROKEE - 14836

Borla Touring Exhaust Systems for 1999-2004 GRAND CHEROKEE - 14836

Exhaust System, Touring, Cat-Back, Stainless Steel, Natural, Rear Exit, Jeep, 4.0L, 4.7L, Kit

Part Number: BOR-14836

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

UMI Performance Coilover Kits A224-550R

Viking Coil Over Kit, Front Double Adjustable, Bearing, '73-'77 GM A-Body, '78-'88 GM G-Body, '82-'03 S10/S15, 550lb Spring

Part Number: UPI-A224-550R

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

AFCO Racing Heat Exchangers for 2003-2004 MUSTANG - 80275PRO

Heat Exchanger, Dual Pass Type, Aluminum, Natural, Dual Fans, Ford, 4.6L, Each

Part Number: AFC-80275PRO

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

UMI Performance Coilover Kits A224-450R

UMI BOLT IN COIL OVER KIT

Part Number: UPI-A224-450R

Not Yet Reviewed

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Aries Automotive Grille Guards for 2003-2009 H2 - 4076-2

Grille Guard, Brush Guard, Stainless Steel, Polished, Hummer, Each

Part Number: AAU-4076-2

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

South Bend Clutch Stock Replacement Clutch Kits K04202-HD

Clutch Kit, Stock Replacement, Organic, Throw-out Bearing, Alignment Tool, Hardware, Chevrolet, Kit

Part Number: SBB-K04202-HD

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

MSD Flying Magnet Crank Trigger Kits 8623-MSD

Crank Trigger, Flying Magnet, Chevrolet, LS Gen III/IV, 8 in. Balancer, Kit

Part Number: MSD-8623-MSD

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

JBA Performance Exhaust Cat4ward Headers 1817S-5

Headers, Cat4ward, Stainless Steel, Natural, Chevy, 5.7L, Pair

Part Number: JBA-1817S-5

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

BTR Platinum Valve Spring Kits SK427/560

Valve Spring Kit, Platinum, Dual, Standard, Titanium Retainers and Locks, Valve Stem Seals, Chevrolet, Small Block LS, Kit

Part Number: BTC-SK427

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

All-Pro Off-Road APEX Front Bumpers for 1995-2004 TACOMA - AP-306648

Bumper, APEX, Fabricated, Winch Mount, Steel, Natural, Toyota, Tacoma, Front, Kit

Part Number: AOF-AP-306648

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

All-Pro Off-Road Rear Suspension Lift Kits with Fox Shocks for 1995-2004 TACOMA - AP-306738

Suspension Lift Kit, Rear, Leaf Springs, Fox Shocks, Toyota, Kit

Part Number: AOF-AP-306738

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

MagnaFlow Street Series Performance Exhaust Systems for 2003-2009 4RUNNER - 15781

Exhaust System, Cat-Back, Stainless Steel, Polished Stainless Tips, Toyota, 4.0L, 4.7L, Kit

Part Number: MPE-15781

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

All-Pro Off-Road Rear Suspension Lift Kits with Bilstein Shocks for 1995-2004 TACOMA - AP-306741

Suspension Lift Kit, Rear, Leaf Springs, Bilstein Shocks, Toyota, Kit

Part Number: AOF-AP-306741

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

DeatschWerks - Fuel Pump Components for 1999-2004 F-150 - 9-401-7031

X3 Series Fuel Pump Hanger with Triple DW400 Fuel Pumps for 1999-2004 Ford F-150 Lightning

Part Number: DWK-9-401-7031

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Mishimoto Intercoolers MMINT-F2D-99

Intercooler, Aluminum, Polished, 3.230 in. Slip Fit Inlet/Outlet, Ford, 7.3L Powerstroke Diesel, Each

Part Number: MIO-MMINT-F2D-99

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

The Driveshaft Shop Driveshafts for 2003-2004 MUSTANG - 610099

Driveshaft, Rear, Assembled, Balanced, One-piece, Aluminum, 3.500 in. Diameter, Includes A Forged Aluminum Rear Flange, Ford, Each

Part Number: DSS-FDSH8-AF

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

The Driveshaft Shop Driveshafts for 2003-2004 MUSTANG - 610100

Driveshaft, Rear, Assembled, Balanced, One-piece, Aluminum, 3.500 in. Diameter, Includes A Forged Aluminum Rear Flange, Ford, Each

Part Number: DSS-FDSH8-MAG-F

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 11, 2026 if ordered today

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Estimated Ship Date: Mar 11, 2026 if ordered today

McLeod RXT Street Twin Clutch Kits 6923-02

Clutch Kit, RXT, 1 in. x 23-Spline, 9.688 in. Diameter Disc, Chrysler, V8, Kit

Part Number: MCL-6923-02

Not Yet Reviewed

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

RAM Concept 10.5 Dual-Disc Metallic Clutch Kits 50-2300N

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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RevMax Stage 3 Billet Single Disc Torque Converters for 2003-2007 RAM 2500, RAM 3500 - 478-402

Torque Converter, Stage 3, 23-Spline, 13.5 in. Diameter, Dodge, 48RE, Each

Part Number: RVM-478-402

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Aldan American RCX Series Coilover Kits for 1999-2006 SIERRA 1500, SILVERADO 1500 - 300248

Coilover Kit, Front, Double Adjustable Shocks, 700 lb. Springs, Kit

Part Number: AAX-300248

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

Aldan American RCX Series Coilover Kits for 1999-2006 SIERRA 1500, SILVERADO 1500 - 300249

Coilover Kit, Front, Double Adjustable Shocks, 800 lb. Springs, Kit

Part Number: AAX-300249

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

FiTech Ultimate Rebel LS 1000 HP EFI Loaded Intake Manifold Kits 70070

Intake Manifolds, Ultimate Rebel LS 1000 HP Loaded, Short Cathedral, Aluminum, Black Anodized, Throttle Body, Injectors, Sensors, Chevy, Kit

Part Number: FIF-70070

Not Yet Reviewed

Estimated Ship Date: Apr 10, 2026 if ordered today

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Estimated Ship Date: Apr 10, 2026 if ordered today

RideTech ShockWave v3.0 Air Shocks 11392401

Air Shocks, ShockWave, Single Adjustable, Monotube, Front, Chevy, GMC, Pickup, Pair

Part Number: ART-11392401

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

2003 Parts and Accessories