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

Billet Specialties LS Valve Cover Conversion Kits 96037

Valve Cover Spacers, Perimeter Bolt, Billet Aluminum, Natural, 0.500 in Thick, Chevy, Big Block Chevy Valve Covers to LS Engine, Pair

Part Number: BSP-96037

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow if ordered today

Motive Gear Ring and Pinion Gear and Installation Kit Combos MGK-116 Dana 44 4.88 Gears

Gear, Ring and Pinion, 4.88:1 Ratio, Dana 44, Set

Part Number: MGR-MGK-116

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

Dorman Air Suspension Conversion Kits for 2003-2005 RANGE ROVER - 949-565

Air Suspn Delete Kit, Land Rover Range Rover 2011-03

Part Number: RNB-949-565

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Eaton Detroit Lockers Dana 44 187SL16C

Differential, Eaton Detroit Locker, 30-Spline, Dana 44, Each

Part Number: ETN-187SL16C

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

McLeod RXT Street Twin Clutch Kits for 1999-2010 MUSTANG - 6932-03

Clutch Kit, RXT, 1 1/16 in. x 10-Spline, Ford, 4.6L, Kit

Part Number: MCL-6932-03

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

JBA Performance Exhaust Competition-Ready Headers 6635S

Headers, Competition Ready, Stainless Steel, Natural, Ford, 4.6L, Pair

Part Number: JBA-6635S

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

BBK Full-Length Headers 15330

5 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Spicer Drivetrain Products 30 Spline Differential Carriers Dana 60 708013

Differential Carrier, Clutch-type, Steel, Dana 60, 30-Spline, 4.10 and lower ratio, Each

Part Number: SDH-708013

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

B&M Traveler 1,900-2,100 Stall Torque Converter 70431

Torque Converter, Traveler, Chevy, 4L80E, 1,900-2,100 rpm Stall Range, Each

Part Number: BMM-70431

1.0 out of 5 stars ( 3 )

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

JBA Performance Exhaust Cat4ward Headers 1625S-9JS

Headers, Cat4ward, Stainless Steel, Silver Ceramic Coated, Ford, 4.6L, Pair

Part Number: JBA-1625S-9JS

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers for 2000-2003 F-150, 2004 F-150 HERITAGE - KC1868-36

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

Part Number: PWR-KC1868-36

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mahle LSX Combo PowerPak Piston and Ring Kits 930227030

Mahle LSX Combo PowerPak Piston and Ring Kits 930227030

Piston and Ring Kit, Forged, Flat Top, 4.030 in. Bore, Chevy, 6.0L, Kit

Part Number: MLE-930227030

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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Estimated Ship Date: Feb 20, 2026 if ordered today

Yukon Gear & Axle Ring and Pinion Sets YG GM11.5-373 AAM/Chrysler/GM 11.5 in. 3.73 Gears

Ring and Pinion Gears, 3.73:1 Ratio, 11.500 in. Ring Gear, Chrysler 11.5 in., GM 11.5 in., Set

Part Number: YGA-24441

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mahle LSX Combo PowerPak Piston and Ring Kits 930227530

Piston and Ring Kit, Forged, Flat Top, 4.030 in. Bore, Chevy, 6.0L, Set of 8

Part Number: MLE-930227530

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

PowerStop Z17 Evolution Plus Stock Replacement Brake Kits with Calipers KCOE2073

Disc Brake Kit, Stock Replacement, Front and Rear, Solid Surface Rotors, Chevy, GMC, Kit

Part Number: PWR-KCOE2073

4.5 out of 5 stars ( 4 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers KC5088-36

Disc Brake Kits, Z36 Truck and Tow Performance Brake Kits with Calipers, Front, Cross-drilled/Slotted Rotors, 2-piston Red Calipers, Ford, Kit

Part Number: PWR-KC5088-36

Not Yet Reviewed

Estimated Ship Date: Today

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Holley Sniper Fabricated Dual Plenum Intake Manifolds 820242

Intake Manifolds, Sniper EFI, Dual Plenum, Cathedral Port, 102mm Throttle Body, 1,600-6,800 RPM, Aluminum, Black, Chevy, LS, 4.8-6.0L, Each

Part Number: SNE-820242

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Holley Sniper EFI Fabricated Intakes 820101-1

Intake Manifolds, Sniper EFI, Fabricated, Multi-Port, 92mm Throttle Body, 1,800-6,400 RPM, Aluminum, Silver, Cadillac, Chevy, Pontiac, Each

Part Number: SNE-820101-1

Not Yet Reviewed

Estimated Ship Date: Mar 12, 2026 if ordered today

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Estimated Ship Date: Mar 12, 2026 if ordered today

Summit Racing™ Ring and Pinion and Differential Pro Packs 14-0063

Combo, Differential, Traction-Lok, Ring and Pinion, 3.55:1 Ratio, Install Kit, Ford, 8.8 in.. 31 Spline, Kit

Part Number: CMB-14-0063

5.0 out of 5 stars ( 3 )

Cannot be shipped Internationally

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Cannot be shipped Internationally

PureFlow AirDog II-5G Fuel Air Separation Systems for 1998-2004 RAM 2500, RAM 3500 - A7SABD525

AirDog II-5G, DF-165-5G 1998.5-2004 Dodge Cummins

Part Number: PAD-A7SABD525

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

JBA Performance Exhaust Cat4ward Headers 1850S-3JT

Headers, Cat4ward, Stainless Steel, Titanium, Cadillac, Chevy, GMC, Hummer, SUV, Pickup, 6.0L, Pair

Part Number: JBA-1850S-3JT

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Scat Pro Sport H-Beam Connecting Rods 2-350-6125-2100

Connecting Rods, Forged 4340, H-Beam, 12-Point, Cap Screw Bolts, 6.125 in. Length, Chevy, Small Block, Set of 8

Part Number: SCA-6612521

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

PowerStop Z36 Truck and Tow Brake Upgrade Kits with Calipers KC5337-36

Disc Brake Kits, Z36 Truck and Tow Brake Upgrade Kits with Calipers, Cross-drilled/Slotted Rotors, 2-piston Red Calipers, Rear, Chevrolet, GMC, Kit

Part Number: PWR-KC5337-36

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Injector Dynamics ID1050x Fuel Injectors 1050.48.14.14.6

Injector Dynamics ID1050X Injectors (Gray) Adapter Top (Set of 6)

Part Number: IJD-10504814146

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 4, 2026 if ordered today

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Estimated Ship Date: Mar 4, 2026 if ordered today

Gibson Headers GP311S-C

Headers, Shorty, Stainless Steel, Ceramic Coated, Dodge, 5.7L, Pair

Part Number: GIB-GP311S-C

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Mar 17, 2026 if ordered today

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Estimated Ship Date: Mar 17, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

BBK Shorty Headers 4009

3.25 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Scat Ultra Q-Lite Connecting Rods 2-350-6125-2100-QLSA

ULTRA Q-LITE H-BEAM RODS w-ARP2000 7/16" CAP SCREWS

Part Number: SCA-6612521QLSA

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

2003 Parts and Accessories