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

Summit Racing™ Pro LS Camshaft & Spring Kits SUM-8706-1

Camshaft Kit, Pro LS Turbo, Hydraulic Roller Tappet, Advertised Duration 275/283, Lift .600/.575, Chevy GM, LS/LSX, Gen III/IV, Each

Part Number: SUM-8706-1

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D.S.S. SX-Series Forged Pistons 8127-4030

D.S.S. SX-Series Forged Pistons 8127-4030

Piston, SX-Series, Forged, Dome Top, 4.030 in. Bore, Chevy, Set of 8

Part Number: DMS-8127-4030

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

PowerStop Z36 Truck and Tow Brake Upgrade Kits for 2003-2020 EXPRESS 2500, SAVANA 2500 - K2025-36

Brake Rotors/Pads, Truck and Tow, Drilled/Slotted, Iron, Zinc Plated, Front/Rear, Chevy, GMC, Kit

Part Number: PWR-K2025-36

5.0 out of 5 stars ( 4 )

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Intellitronix 1997-2006 Jeep TJ Digital Direct-Fit Gauge Clusters for 1997-2006 WRANGLER - DP6014W

Gauge Panel, Digital, White, Tachometer, Speedometer, Water Temperature, Oil Pressure, Volts, Fuel Level, Jeep, TJ, Kit

Part Number: IZL-DP6014W

Not Yet Reviewed

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Rock Jock Lifted Coil Springs for 1997-2006 WRANGLER - CE-9130H

Lift Spring, Lift Coil Spring, Front, Rear, 4 in., Black Powdercoated, Jeep, Set of 4

Part Number: RKJ-CE-9130H

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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LS Classic Series Small Block Chevy Style LS Valve Covers GMLS1002

Valve Covers, Cast Aluminum, Small Block Chevy Style for LS, Breather Tube, 1.625 in. Tall, Finned, LS Classic Script, Natural, Gen 3/4, Chevy, Pair

Part Number: LSS-GMLS1002

Not Yet Reviewed

Estimated Ship Date: Jan 13, 2026 if ordered today

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Estimated Ship Date: Jan 13, 2026 if ordered today

Weld Performance Laguna Gloss Black Wheels 20x10.5

20x10.5 Laguna 5x120.7 ET13 BS6.25 Gloss BLK MIL DIA 78.1

Part Number: WDP-S10700563625

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

Baer Brakes Big Claw Brake Rotors 2301044

Brake Rotor, Big Claw, Cross-Drilled, Slotted, Iron, Zinc Plated, Front, Chevy, GMC, Pickup, SUV, Pair

Part Number: BAE-2301044

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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MSD Multiple Spark Coils and Coil Kits 82868

Ignition Coil, MSC II Coil Pack, Epoxy, Square, Red, GM LQ Truck Engines, Set of 8

Part Number: MSD-82868

3.5 out of 5 stars ( 6 )

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MBRP Installer Series Exhaust Systems for 1999-2003 F-250 SUPER DUTY, F-350 SUPER DUTY - S6200AL

Exhaust System, Installer Series, Turbo-Back, Steel, Passenger Side Exit, Aluminized, Polished Tip, Ford, Kit

Part Number: MBR-S6200AL

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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CSF Racing Radiators for 2003-2006 LANCER - 7075B

Radiator, Racing, Aluminum, Black, Mitsubishi, Lancer, Evo, Fan Included, Each

Part Number: CSF-7075B

Not Yet Reviewed

Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

COMP Cams XFI XE-R Camshafts 54-444-11

Camshaft, Hydraulic Roller Tappet, Advertised Duration 273/279, Lift .581/.588, Chevy, Small Block, LS

Part Number: CCA-54-444-11

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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BD Diesel Steering Upgrade Kits 1032150

Steering Linkage Systems, BD Steering Upgrade - Chevy/GMC 2001-2010 2500 HD/3500HD Silverado / Sierra

Part Number: BDD-1032150

Not Yet Reviewed

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BRExhaust Direct-Fit Exhaust Systems 116-0274

Exhaust Systems, Direct-Fit, Replacement, OEM Style, Cat-Back, Bolt-On, Stainless Steel, Natural Finish, with Hangers, Hardware, Lexus, Toyota, Kit

Part Number: BRE-116-0274

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

ACDelco 30 Spline Differential Carriers GM 8.5/8.625 Inch 84554713

Differential, GM 8.5/8.625 in., Buick, Cadillac, Chevy, GMC, Hummer, Isuzu, Oldsmobile, Saab, Rear, Each

Part Number: ADO-84554713

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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MechMan Elite Series Alternators for 2003 RAM 1500, 2003-2009 RAM 2500, 2003-2007 RAM 3500 - 11235320

Alternators and Generators, Elite Series Alternators, 12 V, 320 amps, Internal Regulator, Black/Natural, Serpentine Pulley, Dodge, Each

Part Number: MEH-11235320

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 15, 2026 if ordered today

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Estimated Ship Date: Jan 15, 2026 if ordered today

PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers for 1999-2004 GRAND CHEROKEE - KC2149-36

Brake Rotors, Pads, Red Calipers, Drilled/Slotted Rotors, Truck and Tow Pads, Front, Jeep, Kit

Part Number: PWR-KC2149-36

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Manley NexTek Valve Springs 221422-16

Valve Spring, Nex Tek, Dual, 1.335 in. Outside Diameter, 780 lbs/in., Set of 16

Part Number: MAN-221422-16

Not Yet Reviewed

Estimated Ship Date: Feb 16, 2026 if ordered today

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Estimated Ship Date: Feb 16, 2026 if ordered today

Motive Gear Performance Ring and Pinion Sets G885488IFS GM 8.25 in. IFS 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, GM, 8.25 in., Set

Part Number: MGR-G885488IFS

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

Unity Automotive Air Spring to Coil Spring Conversions for 2003-2006 EXPEDITION, NAVIGATOR - 4-61380C-65080C-001

Suspension Kits, Air Springs Replacement Kit ,2003-2006 Lincoln Navigator - Air to Coil Conversion Kit

Part Number: UNA-S0813

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

PowerStop Z23 Evolution Sport Brake Upgrade Kits with Calipers for 2001-2007 SEQUOIA, 2000-2006 TUNDRA - KC2324

Performance Disc Brakes, Front, Drilled/Slotted Rotors, Red Calipers, Toyota, Kit

Part Number: PWR-KC2324

4.89 out of 5 stars ( 9 )

Estimated Ship Date: Today

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D.S.S. SX-Series Forged Piston and Ring Kits K4802-3552

Piston Set, 4.6 Modular SX Series -10cc 2V - 4V Dish Top No Notch Piston Set. 3.552 bore

Part Number: DMS-K4802-3552

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

Fluidampr Harmonic Dampers 840821

Harmonic Balancer, Internal Balance, Steel, Black, Toyota, 2JZ, Each

Part Number: FLU-840821

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 2, 2026 if ordered today

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Estimated Ship Date: Feb 2, 2026 if ordered today

PowerStop Z23 Evolution Sport Brake Upgrade Kits K2073

Pads and Rotors, Evolution Sport, Cross-Drilled/Slotted Surface, Iron, Zinc Plated, 12.780 in./12.990 in. Diameter, Z23 Carbon Fiber Ceramic Pads, Kit

Part Number: PWR-K2073

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Today

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FASS Fuel Systems Adjustable Diesel Fuel Lift Pumps for 1998-2004 RAM 2500, RAM 3500 - FAS D08 165G

Fuel Pump, Adjustable, Electric External, 12 V, 165 gph, Lift Pump, Dodge, Each

Part Number: FSY-FASD08165G

Not Yet Reviewed

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2003 Parts and Accessories