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

ARB Air Locker 27 Spline Differential Dana 30 RD100

Air Locker, Dana 30, 27-Spline, 3.73 and Up Ratio, Each

Part Number: ARB-RD100

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

McLeod RXT 1200 Clutch Kits 6932-04HD

Clutch Kit, RXT 1200, 1.125 in. - 10-spline, Ceramic Disc, Pressure Plate, Chevy, Kit

Part Number: MCL-6932-04HD

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

ARB Air Locker 30 Spline Differential Dana 44-A (aluminum) RD226

Differential Carrier, Air Locker, Nodular Iron, Rear, Dana 44-A (Aluminum), Kit

Part Number: ARB-RD226

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Rough Country Long Arm Upgrade Kits for 1999-2004 GRAND CHEROKEE - 90900U

Control Arms, Long Arm Upgrade, Tubular, Adjustable, Steel, Black Powdercoated, Jeep, Kit

Part Number: ROU-90900U

Not Yet Reviewed

Estimated Ship Date: Feb 27, 2026 if ordered today

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Estimated Ship Date: Feb 27, 2026 if ordered today

McLeod RXT Street Twin Clutch Kits for 1996-2010 MUSTANG - 6335803M

Clutch Kit, RXT Street Twin Power Pack, 1.063 in. - 10-spline, Ceramic Disc, Pressure Plate, Billet Aluminum Flywheel, Ford, 4.6L, Kit

Part Number: MCL-6335803M

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

Aeromotive 1999-2004 Ford F-150 Return-Style Fuel Rail Systems for 1999-2003 F-150 - 14184

Fuel Rail Kit, 99-04 Ford 5.4L 2V Supercharged Lightning and Harley Truck, Black

Part Number: AEI-14184

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

Dee Zee Platinum Series Truck Bed Toolboxes DZ93170TB

Toolbox, Platinum Series, Front of Truck Bed Location, Aluminum, Textured Black Powdercoated, Locking, Universal, Each

Part Number: DZZ-DZ93170TB

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Manley Pro Series Crankshafts 190124

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 4.100 in. Stroke, Chevy, 5.7, 6.0L, Each

Part Number: MAN-190124

Not Yet Reviewed

Estimated Ship Date: Apr 2, 2026 if ordered today

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Estimated Ship Date: Apr 2, 2026 if ordered today

COMP Cams Sportsman Solid Roller Lifters 96956B-16

COMP Cams Sportsman Solid Roller Lifters 96956B-16

Lifter, Sportsman, Mechanical Roller, Vertical Link, 0.842 in. Diameter, w/ Bushing, Seat Height 2.210 in., GEN III/IV LS, Chevy, Set of 16

Part Number: CCA-96956B-16

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Walker CalCat Universal Catalytic Converters 81918

Catalytic Converter, Cal-Cat Universal, 2.500 in. Slip Fit Inlet, 2.500 in. Slip Fit Outlet, Ceramic Honeycomb, Heat Shield, Universal, Each

Part Number: WLK-81918

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

Belltech Lowering Kits with Nitro Drop 2 Shock Absorbers 949ND

Suspension Lowering Kit, Nitro Drop 2 Shock Absorbers, Chevy, GMC, Kit

Part Number: BEL-949ND

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

Wilwood Forged DynaPro 6 Big Brake Front Brake Kits for 2003-2005 NEON, 2001-2010 PT CRUISER - 140-16827-D

Disc Brake Kit, Forged DynaPro 6 Big Brake Front Brake Kit, Cross-drilled/Slotted Surface Rotors, Black Calipers, Pads, Chrysler, Dodge, Kit

Part Number: WIL-140-16827-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

MagnaFlow Direct-Fit Catalytic Converters for 2002-2005 MOUNTAINEER, EXPLORER, 2003-2005 AVIATOR - 49404

Catalytic Converter, Stainless Steel, Each

Part Number: MPE-49404

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

Snow Performance Boost Cooler Stage-3 Diesel Water/Methanol Injection Systems 500-BRD

Water/Methanol Injection System, Stage 3, 7 Gallon Reservoir, Dodge, 5.9L, Kit

Part Number: SNO-500-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

Borla S-Type Cat-Back Exhaust Systems for 2001-2006 TT QUATTRO - 14957

Exhaust System, S-Type, Cat-Back, Single In/Dual Out, Stainless, Natural, Split Rear Exit, Audi, 1.8L, Kit

Part Number: BOR-14957

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

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-310 Ford 8.8 in. IFS 4.10 Gears

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

Part Number: MGR-MGK-310

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

BD Diesel - Automatic Transmission Input Shafts for 1994-2007 RAM 2500, 1994-2006 RAM 3500 - 1600115

Input Shaft

Part Number: BDD-1600115

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

Auburn Gear Select-A-Loc 30 Spline Differential Dana 44 545041

Differential, Select-A-Loc, 30-Spline, Dana 44, 10-Bolt, Each

Part Number: AUB-545041

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

Wilwood Forged DynaPro 6 Big Brake Front Brake Kits 140-10735-D

Disc Brakes, Front, 12.19 in. Diameter Rotors, 6-Piston Black Calipers, For use on Acura®, Honda®, Kit

Part Number: WIL-140-10735D

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Mar 2, 2026 if ordered today

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Estimated Ship Date: Mar 2, 2026 if ordered today

Nitrous Outlet Nitrous Oxide Plate Systems 00-10127-10

78mm 99-06/2007 Classic GM Truck Plate System (10lb Bottle)

Part Number: NXO-00-10127-10

Not Yet Reviewed

Estimated Ship Date: Mar 2, 2026 if ordered today

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Special Offer

Buy this Nitrous System and get a FREE 10lb. Bottle!

Estimated Ship Date: Mar 2, 2026 if ordered today

Baer Brakes SS4+ Deep Stage Drag Race Disc Brake Kits for 1979-2004 MUSTANG - 4261376C

Disc Brakes, SS4+ Deep Stage Drag Race, Front, Cross-drilled/Slotted Rotors, 4-piston Calipers, Ford, Kit

Part Number: BAE-4261376C

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

Wilwood DynaPro Radial Big Brake Front Hat Kits for 2000-2005 GOLF - 140-8276-R

Disc Brakes, DynoPro Radial Big Brakes, Front, Rotors, Solid, 4-Piston, Red Powdercoated, Audi, VW, Kit

Part Number: WIL-140-8276-R

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

South Bend Clutch Dyna Max Feramic Clutch Kits 13125-FEK

Clutch Kit, Feramic, Clutch, Pressure Plate, Flywheel, Throw-out Bearing, Alignment Tool, Hardware, Dodge, Kit

Part Number: SBB-13125-FEK

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

PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers KC4426-36

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

Part Number: PWR-KC4426-36

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Auburn Gear Select-A-Loc 28 Spline Differential Ford 8.8 Inch 545001

Differential, Auburn, Locker, 28-Spline, Ford, 8.8 in., 10-Bolt, Each

Part Number: AUB-545001

Not Yet Reviewed

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

2003 Parts and Accessories