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

Wilwood DynaPro Radial Front Drag Brake Kits for 1994-2004 MUSTANG - 140-10016

Wilwood DynaPro Radial Front Drag Brake Kits for 1994-2004 MUSTANG - 140-10016

Disc Brakes, Front, Drag Race, Medium Duty, Solid Rotors, 4-Piston Calipers, Gray Anodized, Ford, Kit

Part Number: WIL-140-10016

2.0 out of 5 stars ( 1 )

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Centerforce Dual Friction Clutch Kits KDF931042

Clutch Kit, Dual Friction, 26-spline, 12 in. Disc Diameter, Organic/Carbon Composite Disc, Pressure Plate, Billet Steel Flywheel, Chevy, Pontiac, Kit

Part Number: CTF-KDF931042

4.5 out of 5 stars ( 8 )

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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR36L00012

Pro LS 4340 Piston and Rod Kit, 364 Cid., 4.000 bore, 3.622 stroke, 6.125 rod, 12cc Dish, 9.6:1 @ 65cc, 9.2:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR36L00012

Not Yet Reviewed

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Centerforce SST Clutch and Flywheel Kits 412613099

Clutch and Flywheel Kit, SST, 1.125 in. Diameter Shaft, 10-spline, 10.4 in. Diameter Disc, Hemi Gen III, Kit

Part Number: CTF-412613099

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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Billet Specialties Smooth Modular Valve Covers P95471

Valve Covers, Centerbolt, Billet Aluminum, Polished, Pair

Part Number: BSP-P95471

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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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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Summit Racing™ Pro LS Piston and Rod Kits SUM-PR400058

Pro LS 4340 Piston and Rod Kit, 403 Cid., 4.005 bore, 4.000 stroke, 6.125 rod, 8cc dish, 11:1 @ 65cc, 10.4:1 @ 70cc, File-Fit Rings

Part Number: SUM-PR400058

Not Yet Reviewed

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Rough Country N3 Suspension Lift Kits 27220A

Suspension Lift Kit, N3, Steering Knuckles, Rear Leaf Spring Blocks, 6.00 in. Front, 6.00 in. Rear, Chevrolet, GMC, Kit

Part Number: ROU-27220A

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

FiTech Ultimate LS EFI 500 HP Fuel Injection Systems 70001

Fuel Injection System, Ultimate LS EFI, 500 HP, LS1/LS2/LS6, Without Transmission Controller, Kit

Part Number: FIF-70001

3.2 out of 5 stars ( 15 )

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Belltech Lowering Kits with Street Performance Shock Absorbers 616SP

Suspension Kit ;

Part Number: BEL-616SP

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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Wilwood Forged Narrow Superlite 4R Caliper Kits for 1997-2013 CORVETTE - 140-14026-R

KIT, REAR, C5/C6 VETTE 97-13, FNSL4R W/PADS

Part Number: WIL-140-14026-R

3.75 out of 5 stars ( 4 )

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Borla Touring Exhaust Systems 14824

Exhaust System, Touring, Cat-Back, Single In/Dual Out, Stainless, Natural, Split Rear Exit, Chevy, GMC, Kit

Part Number: BOR-14824

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 14, 2026 if ordered today

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Estimated Ship Date: Jan 14, 2026 if ordered today

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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PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers KC2023A-36

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

Part Number: PWR-KC2023A-36

3.67 out of 5 stars ( 3 )

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PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers KC2027-36

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

Part Number: PWR-KC2027-36

Not Yet Reviewed

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Pacific Performance Engineering Exhaust Manifolds 116111020

Exhaust Manifolds, High Silicon Cast Iron, Black Ceramic Coated, Includes Stainless Steel Up-pipes, Chevrolet, GMC, 6.6L Diesel, LB7, Kit

Part Number: PPE-116111020

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

Pacific Performance Engineering Exhaust Manifolds 116111035

Exhaust Manifolds, High Silicon Cast Iron, Silver Ceramic Coated, Includes Stainless Steel Up-pipes, Chevrolet, GMC, 6.6L Diesel, LB7, Kit

Part Number: PPE-116111035

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

ARB Air Locker 35 Spline Differential Ford 10.25/10.50 Inch RD140

Differential Carrier, Air Locker, Nodular Iron, Rear, Ford 10.25 in., Kit

Part Number: ARB-RD140

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

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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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: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today

Belltech Lowering Kits with Street Performance Shock Absorbers for 1999-2003 F-150, 2004 F-150 HERITAGE - 921SP

Suspension Kit

Part Number: BEL-921SP

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

Eaton Detroit Lockers GM 8.5/8.6 Inch 187C148A

Differential, Eaton Detroit Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-187C148A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

2003 Parts and Accessories