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

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-220 GM 8.25 in. IFS/GM 8.625 in. 4.30 Gears

Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit

Part Number: MGR-MGK-220

Not Yet Reviewed

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Wilwood DPC56 Rear Brake Kits for 1997-2013 CORVETTE - 140-16531

Disc Brake Kit, DPC56 Rear Brake Kit, Slotted Surface Rotors, Gray/Silver Calipers, Pads, Chevrolet, Kit

Part Number: WIL-140-16531

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

South Bend Clutch Dyna Max Ceramic Clutch Kits SDM0105-DFK

Clutch Kit, Dyna Max Ceramic, Single, 1.375 in. - 10-spline, Ceramic/Kevlar® Disc, Pressure Plate, Flywheel, Chevy, GMC, 6.6L Diesel, Kit

Part Number: SBB-SDM0105DFK

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

ARB Air Locker 30 Spline Differential AAM 11.5 Inch 14-bolt RD139

Differential Carrier, Air Locker, Nodular Iron, Rear, AAM 11.5 in. 14-bolt, Kit

Part Number: ARB-RD139

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Painless Performance Fuel Injection Harnesses 60608

Painless Performance Fuel Injection Harnesses 60608

Wiring Harness, Fuel Injection, Multi-Port, Mass Airflow, Chevy, 5.7L, Each

Part Number: PRF-60608

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

PowerStop Z23 Evolution Sport Brake Upgrade Kits with Calipers for 2003-2008 RAM 3500, RAM 2500, 2006-2008 RAM 1500 - KC5468

Disc Brake Kit, Z23 Evolution Sport Brake Upgrade with Calipers, Front and Rear, Dodge, Kit

Part Number: PWR-KC5468

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

DeatschWerks DW400 In-Tank Electric Fuel Pump Modules 9-401-603-7011

Pump Module DW400 Return Kit SS PTFE for Chevy Silverado 1500/2500/3500 & GMC Sierra 1500/2500/3500 1999-2004 V8 4.8L/5.3L/6.0L Excl Flex Fuel

Part Number: DWK-94016037011

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Fleece Performance PowerFlo In-Tank Lift Pump Assemblies for 2003-2004 RAM 2500, RAM 3500 - FPE-34755

Fuel Pump, Fuel System Upgrade Kit with PowerFlo Lift Pump for 2003 - 2004 Dodge 2500-3500 Cummins

Part Number: FLE-FPE-34755

Not Yet Reviewed

Estimated Ship Date: Feb 6, 2026 if ordered today

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Estimated Ship Date: Feb 6, 2026 if ordered today

Yukon Gear & Axle Full Spools YP FSGM11.5-30

Yukon steel spool for GM & Chrysler 11.5" with 30 spline axles

Part Number: YGA-32185

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

Wiseco Professional Series Piston Kits K452X125

Pistons, Gas Nitrided Rings, Forged Dish, 4.125 in. Bore, Chevy, Kit

Part Number: WIS-K452X125

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today

Trail-Gear Dual Transfer Case Adapters for 1995-2004 TACOMA - 107531-1-KIT

Dual Case Adapter Kit, Tacoma 2.7L Auto, 3.4L Manual and Auto

Part Number: TGI-107531-1-KIT

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

DeWitts Pro-Series Radiators for 2001-2004 CORVETTE - 32-1139101B

Radiator, Direct-Fit, Aluminum, 2-Row, Crossflow, Chevy, 350, Each

Part Number: DWR-1139101B

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 10, 2026 if ordered today

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Estimated Ship Date: Feb 10, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos YGK2122 GM 10.5 in. (14-bolt) 4.88 Gears

Ring and Pinion Gears,Yukon Gear & Axle 10.5" GM 14 Bolt, 4.88 Ratio Thick Rear Ring & Pinion GearInstall Kit Package,

Part Number: YGA-10522

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

The Driveshaft Shop Driveshafts for 2001-2004 CORVETTE - 610082

Driveshaft

Part Number: DSS-GMC5M-2-E

Not Yet Reviewed

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 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: Today

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Estimated Ship Date: Today

Yukon Gear & Axle 4340 Chromoly Axles for 1984-2001 CHEROKEE, 1993-1998 GRAND CHEROKEE, 1987-2006 WRANGLER - YA W24110

4340 Chromoly Axle Kits, Inner/Outer/U-Joints, Front, 27 Spline, Dana 30, Jeep, Kit

Part Number: YGA-21321

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

RaceTec Race Pistons 1001163

Pistons, Forged, 4.030 in. Bore, 4.000 in. Stroke, Flat Top, 6.125 in. Rod Length, 0.927 in. Pin Diameter, LS, Chevy, Set of 8

Part Number: PIS-1001163

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Trail-Gear Rock Assault True Width Tacoma Axle Assemblies for 1995-2004 TACOMA - 140313-1-KIT

Axle Housing Assembly, Rock Assault, Left Hand Drop, 61.75 in. Width, Toyota 8.0 in., Front, Kit

Part Number: TGI-140313-1-KIT

Not Yet Reviewed

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

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: Feb 19, 2026 if ordered today

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Estimated Ship Date: Feb 19, 2026 if ordered today

Stillen Exhaust Systems for 2003-2009 350Z - 504350D

2003-2009 Nissan 350Z Exhaust System stainless steel tip

Part Number: STV-504350D

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

RAM Concept 9.5 Dual Disc Clutch Kits with Billet Flywheel 75-2100S

Clutch Kit, Concept 9.5 Dual Disc, Organic Disc, 1 1/8 in.- 26 Spline Disc, Steel Flywheel, Cadillac, Chevrolet, Pontiac, Kit

Part Number: RAM-75-2100S

Not Yet Reviewed

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

AFCO Racing Struts for 1979-2004 MUSTANG - 30030

Shock/Strut, Monotube, Gas Charged, Double Adjustable, Front, Ford, Mustang, Each

Part Number: AFC-30030

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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

Suspension Kit ;

Part Number: BEL-915SP

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

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: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

USA Standard Gear Ring and Pinion Gear and Differential Combos ZGK2018

Ring and Pinion Gears,USA Standard 8.6" GM, 4.11 Ratio Rear Ring & Pinion Gea

Part Number: SPZ-10729

Not Yet Reviewed

Estimated Ship Date: Jan 16, 2026 if ordered today

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Estimated Ship Date: Jan 16, 2026 if ordered today

2003 Parts and Accessories