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

Belltech Lowering Kits with Street Performance Shock Absorbers 759SP

Suspension Kit ;

Part Number: BEL-759SP

3.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L00512

Pro LS 4340 Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L00512

Not Yet Reviewed

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

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

Part Number: WIL-140-17670-DR

Not Yet Reviewed

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Yukon Gear & Axle Grizzly Lockers Dana 60 YGLD60-3-35

Grizzly Locker, Dana 60, 35 Spline, 4.10 Down Ratio, Each

Part Number: YGA-28003

Not Yet Reviewed

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ARB Air Locker 35 Spline Differential Dana 60-HD RD167

Differential Carrier, Air Locker, Nodular Iron, Dana 60-HD, Kit

Part Number: ARB-RD167

Not Yet Reviewed

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QA1 Proma Star Double Adjustable Coilover Systems for 1997-2013 CORVETTE - GD455-08550

Coilover Kits, Proma Star Double Adjustable Coilover, Front, Twin-tube Shocks, 550 lbs./in. Rate Springs, 1.0-2.0 in. Lowered Front, Chevrolet, Pair

Part Number: QA1-GD455-08550

Not Yet Reviewed

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Flaming River 1994-2004 Mustang Front Steer Rack and Pinions for 1994-2004 MUSTANG - FR40039

Rack and Pinion, 1994-2003 Mustang Power Rack Kit, Die Cast Housing, Each

Part Number: FLA-FR40039

Not Yet Reviewed

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Summit Racing™ LS Turbocharger Manifold and Crossover Kits 05-0173

LS Manifold and Crossover, with TH350, TH400, Kit

Part Number: CMB-05-0173

Not Yet Reviewed

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Borla S-Type Cat-Back Exhaust Systems for 1999-2004 MUSTANG - 140067

Borla S-Type Cat-Back Exhaust Systems for 1999-2004 MUSTANG - 140067

Exhaust System, S-Type, Cat-Back, Dual, Stainless Steel, Natural, Split Rear Exit, Ford, 4.6L, Kit

Part Number: BOR-140067

4.89 out of 5 stars ( 18 )

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Eaton Detroit Truetrac 35 Spline Differential Dana 80 915A450

Differential, Eaton Detroit Truetrac, 35-Spline, Dana 80, 11.5 in. Ring Gear, 4.10 + up, Each

Part Number: ETN-915A450

Not Yet Reviewed

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PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers for 2002 BLACKWOOD, 2000-2003 F-150, 2004 F-150 HERITAGE - KC1915-36

Disc Brake, Truck and Tow, Front/Rear, Drilled/Slotted Rotors, Red Calipers, Truck/Tow Pads, Ford, Lincoln

Part Number: PWR-KC1915-36

5.0 out of 5 stars ( 1 )

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QA1 Lowering Kits for 1999-2006 SIERRA 1500, SILVERADO 1500 - LK01-GMT05

Suspension Lowering Kit, Coilover, Shackle and Hanger, Single Adjustable Shocks, 0-2 in. Front, 2-4 in. Rear, 2WD, Short Bed, Chevy, GMC, Kit

Part Number: QA1-LK01-GMT05

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

South Bend Clutch Dyna Max Street Dual Disc Clutch Kits SFDD3250-6

Clutch Kit, Street Dual, Clutch, Pressure Plate, Flywheel, Bearing, Alignment Tool, Hardware, Ford, Kit

Part Number: SBB-SFDD3250-6

5.0 out of 5 stars ( 5 )

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Borla S-Type Cat-Back Exhaust Systems for 1999-2004 MUSTANG - 140052

Exhaust System, S-Type, Cat-Back, Dual, Stainless Steel, Natural, Split Rear Exit, Ford, Kit

Part Number: BOR-140052

4.75 out of 5 stars ( 4 )

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McLeod RST Street Twin Clutch Kits 6405504

Clutch Kit, RST Street Twin Clutch, Two Discs, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Billet Steel Flywheel, Chevrolet, GMC, Kit

Part Number: MCL-6405504

Not Yet Reviewed

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RAM Concept 10.5 Dual-Disc Metallic Clutch Kits 50-2125N

Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 26-spline, Metallic Disc, Pressure Plate, Chevy, Small Block, Kit

Part Number: RAM-50-2125N

Not Yet Reviewed

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Eagle Forged 4340 Steel Crankshafts 434736226100

Crankshaft, 1-Piece Seal, Internal Balance, Forged 4340 Steel, 3.622 in. Stroke, Chevy, LS, Each

Part Number: ESP-434736226100

1.0 out of 5 stars ( 1 )

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L8102

Pro LS Piston and Rod Kit, 330 Cid., 3.810 bore, Standard 3.622 stroke, 6.125 rod, 2cc dome, 11:1 @ 61cc, 10.4:1 @ 65cc, File-Fit Rings

Part Number: SUM-PR36L8102

Not Yet Reviewed

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR360052

Pro LS Piston and Rod Kit, 365 Cid., 4.005 bore, 3.622 stroke, 6.098 rod, 2cc Flat Top, 10.8:1 @ 65cc, 10.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR360052

5.0 out of 5 stars ( 2 )

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Auburn Gear Grip-N-Loc 35 Spline Differential Ford 10.25/10.50 Inch 546089

Differential, Auburn, Grip-N-Loc, Limited Slip, 35-Spline, Ford, 10.25 in., 10.50 in., Each

Part Number: AUB-546089

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

Need It Sooner? We recommend these similar substitute parts:

Yukon Gear & Axle Dura Grip Positraction Carriers Ford 10.25/10.50 Inch YDGF10.25-35-1

Not Yet Reviewed

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Flowmaster Stainless Steel Force II Exhaust Systems for 1997-2004 CORVETTE - 817517

Exhaust System, Force II, Rear Axle-back, Dual, Stainless Steel, Rear Center Exit, Chevy, 5.7L LS, Kit

Part Number: FLO-817517

4.0 out of 5 stars ( 1 )

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PSC Big Bore XD Steering Gears for 2003-2008 RAM 3500, RAM 2500, 2005-2008 RAM 1500 - SG853R

Steering Box, Big Bore XD Steering Gears, Power Assist, Front Steer, 14:1 Ratio, Cast Iron, Black, Ported for Use with Ram Assist, Dodge, Each

Part Number: PFN-SG853R

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

BoostLine Connecting Rods FD5933-866

Connecting Rod, I-Beam, Chromoly 4340 Steel, Shot-Peened, Floating Pin, Ford, 4.6L, 5.0L, Modular, Set of 8

Part Number: BLN-FD5933-866

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

QuickTime Bellhousings RM-8074

Bellhousing, Quick Time, SFI Approved, Chrysler, Small Block, to GM T-56 Transmission, Kit

Part Number: QTI-RM-8074

Not Yet Reviewed

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Fleece Performance CP3K Fuel Pump Kits FPE-DMAX-CP3K

Fuel Pump, CP3K, Mechanical, Injection Style, Chevy, GMC, 6.6L Diesel, Kit

Part Number: FLE-FPEDMAXCP3K

Not Yet Reviewed

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2003 Parts and Accessories