2003 - Free Shipping on Orders Over $109 at Summit Racing

BD Diesel Performance Automatic Transmissions for 2003-2004 RAM 2500, RAM 3500 - 1064194SS

Automatic Transmission, Forward Shift Pattern, Automatic Valve Body, Torque Converter, Dodge, 48RE, 5.9L Diesel, Each

Part Number: BDD-1064194SS

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BD Diesel Performance CR Pump and Injector Package for 2003-2004 RAM 2500, RAM 3500 - 1051500

Fuel Injectors, Performance CR Pump and Injectors, Stage 1, High Performance R900 CP3 Pump, High Performance Injectors, Dodge, 5.9L Cummins, Kit

Part Number: BDD-1051500

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Vortech Centrifugal Supercharger Kits for 2003-2006 350Z, G35 - 4NZ218-110TSQ

Vortech Centrifugal Supercharger Kits for 2003-2006 350Z, G35 - 4NZ218-110TSQ

Supercharger, Centrifugal, Satin Finish, 8 psi, Infiniti, for Nissan, Kit

Part Number: VOR-4NZ218110TSQ

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

Vortech Centrifugal Supercharger Kits for 2003 G35 - 4NZ218-038L

Supercharger, Centrifugal, V-3 SC-trim, Polished Finish, 8 psi, Infiniti, 3.5L, Kit

Part Number: VOR-4NZ218-038L

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Vortech Centrifugal Supercharger Kits for 2000-2004 MUSTANG - 4FL218-148L

Supercharger, Centrifugal, V-3 Si-trim, Polished Finish, 9-11 psi, Ford, Modular V8, Kit

Part Number: VOR-4FL218-148L

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Vortech Centrifugal Supercharger Kits for 2000-2004 MUSTANG - 4FL218-130L

Supercharger, Centrifugal, V-3 Si-trim, Satin Finish, 7-9 psi, Ford, Modular V8, Kit

Part Number: VOR-4FL218-130L

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

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Vortech Centrifugal Supercharger Kits for 2003-2006 350Z, G35 - 4NZ218-110L

Supercharger, Centrifugal, V-3, SC-trim, Satin Finish, 8 psi, for Nissan, 350Z, 3.5L, Kit

Part Number: VOR-4NZ218-110L

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Vortech Centrifugal Supercharger Kits for 2000-2004 MUSTANG - 4FL218-120L

Supercharger, Centrifugal, V-3 Si-trim, Satin Finish, 9-11 psi, Ford, 4.6L, Kit

Part Number: VOR-4FL218-120L

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

Zumbrota Drivetrain - Axle Assemblies for 2001-2006 SIERRA 3500, SILVERADO 3500 - RAA435-2084A-30-P

Rear Axle 11.5" 01-06 GM 3500 Cab Chassis w/o Wide Track 6SPD M/T 3.73 Posi 1415

Part Number: ZUD-10338

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Zumbrota Drivetrain - Axle Assemblies for 2001-2006 SIERRA 3500, SILVERADO 3500 - RAA435-2084A-35-P

Rear Axle 11.5" 01-06 GM 3500 Cab Chassis w/o Wide Track 6SPD M/T 3.73 Posi 1485

Part Number: ZUD-10339

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Zumbrota Drivetrain - Axle Assemblies for 2001-2006 SIERRA 3500, SILVERADO 3500 - RAA435-2084B-35-P

Rear Axle 11.5" 01-06 GM 3500 Cab Chassis w/o Wide Track 6SPD M/T 4.10 Posi 1485

Part Number: ZUD-10343

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

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Zumbrota Drivetrain Axle Assemblies RAA435-2085A-35-P

Axle AAM 11.5" '01-'07 GM 3500 Cab Chassis A/T & 5 Speed M/T 3.73 POSI 1485 Yoke

Part Number: ZUD-10347

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Zumbrota Drivetrain - Axle Assemblies for 2001-2006 SIERRA 3500, SILVERADO 3500 - RAA435-2084B-30-P

Rear Axle 11.5" 01-06 GM 3500 Cab Chassis w/o Wide Track 6SPD M/T 4.10 Posi 1415

Part Number: ZUD-10342

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Vortech Complete Supercharger Kits 4GX218-138YSI

Supercharger Kits, Tuner Kit, Centrifugal, V-7 Head Unit, Passenger Side, YSi-Trim, Polished, Chevrolet, LS Swap, EFI, Kit

Part Number: VOR-4GX218138YSI

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Vortech Complete Supercharger Kits 4GX218-140YSI

Supercharger Kits, Tuner Kit, Centrifugal, V-7 Head Unit, Passenger Side, YSi-Trim, Satin, Chevrolet, LS Swap, Carbureted, Kit

Part Number: VOR-4GX218140YSI

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

Vortech Complete Supercharger Kits 4GX218-144T

Supercharger Kits, Tuner Kit, Centrifugal, V-7 Head Unit, Passenger Side, YSi-Trim, Black, Chevrolet, LS Swap, Carbureted, Kit

Part Number: VOR-4GX218-144T

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Vortech Complete Supercharger Kits 4GX218-148T

Supercharger Kits, Tuner Kit, Centrifugal, V-2 Head Unit, Passenger Side, Ti-Trim, Polished, Chevrolet, LS Swap, Carbureted, Kit

Part Number: VOR-4GX218-148T

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

Vortech Complete Supercharger Kits 4GX218-130T

Supercharger Kits, Tuner Kit, Centrifugal, V-2 Head Unit, Passenger Side, Ti-Trim, Satin, Chevrolet, LS Swap, EFI, Kit

Part Number: VOR-4GX218-130T

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Estimated Ship Date: Feb 23, 2026 if ordered today

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Estimated Ship Date: Feb 23, 2026 if ordered today

ATS Diesel Performance Stage 1 Transmission Packages for 2003 RAM 2500, RAM 3500 - 309-912-2272

48RE Stage 1 Package, 2003 Dodge 2wd

Part Number: APF-3099122272

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ATS Diesel Performance Stage 2 Transmission Packages 309-923-3278

5R110 Stage 2 Package, 2003+ Ford 2wd w/ PTO

Part Number: APF-3099233278

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ATS Diesel Performance Stage 3 Automatic Transmission Packages for 2003 RAM 2500, RAM 3500 - 309-932-2272

48RE Stage 3 Package, 2003 Dodge 2wd

Part Number: APF-3099322272

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Ridetech Suspension Kits, Air Springs 11390296

AIR SUSPENSION KIT

Part Number: ART-11390296

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Ridetech Suspension Handling Packages 11390301

Suspension System, TQ CoilOver System for 1982-2003 S-10, S-15 & Sonoma w/ 7.5" Differential. Includes front and rear TQ Series CoilOvers, front TruTu

Part Number: ART-11390301

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Ridetech Suspension Handling Packages 11390302

Suspension System, TQ CoilOver System for 1982-2003 S-10, S-15 & Sonoma w/ 8.5" Differential. Includes front and rear TQ Series CoilOvers, front TruTu

Part Number: ART-11390302

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Ridetech Suspension Kits, Air Springs 11390396

Suspension System, TQ Air Suspension System for 1982-2003 S-10, S-15 & Sonoma w/ 8.5" Differential. Includes front and rear TQ Series Shockwaves, fron

Part Number: ART-11390396

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Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

2003 Parts and Accessories