2003 Fuel Injection Air & Fuel Delivery - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Summit Racing™ Diesel Fuel Injectors SUM-240070

Fuel Injector, Diesel, Chevy, GMC, 6.6L, Duramax, LB7, 2001-2004.5, Each

Part Number: SUM-240070

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Fleece Performance Fuel Injection Wiring Harnesses FPE-HAR-DMAX-FPR

Fuel pressure regulator harness, 6.6L Duramax, Each

Part Number: FLE-S0432

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ICT Billet Throttle Body Bolts 551431

ICT Billet Throttle Body Bolts 551431

Throttle Body Replacement Components, Bolt Kit, Fits Stock Throttle Body, Grade 10.9, M6 x 25mm, Chevrolet, LS, Set of 4

Part Number: ICB-551431

5.0 out of 5 stars ( 1 )

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Pacific Performance Engineering Race Fuel Pressure Relief Valves 113072800

Fuel Rail Fitting, Pressure Release Valve, Duramax Diesel, Chevy, GMC, LB7, Each

Part Number: PPE-113072800

5.0 out of 5 stars ( 1 )

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FAST LSXR Upper Intake Shells 146000B

Upper Intake Shell, Plastic, Black, 102mm, Chevy, LS, V8, Each

Part Number: FST-146000B

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Bosch Fuel Injectors 986435502

Fuel Injector, Chevy, GMC, 6.6L Diesel, Each

Part Number: BCH-0986435502

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ICT Billet Mock-Up Fuel Injector Plugs 551333-LS1

Injectors, Mock Plug, Mock Plug Fuel Injectors LS1 Height

Part Number: ICB-551333-LS1

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Holley EFI Systems Wiring Harnesses 558-116

Wiring Harnesses, Holley EFI, Gen III Hemi, Throttle Position, Idle Air Controls, Factory Connectors, Chrysler, Dodge, Jeep, Hemi, Late Model, Each

Part Number: HLY-558-116

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Granatelli Motor Sports Throttle Bodies GMTBLS3P

Throttle Body, 103mm, Drive-By-Wire, Billet Aluminum, Polished, Chevy LS, LSX, Each

Part Number: GRN-GMTBLS3P

3.0 out of 5 stars ( 2 )

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Dorman Fuel Injector Control Modules 904-561

Injector Drv Module

Part Number: RNB-904-561

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Granatelli Motor Sports Throttle Bodies GMTBLS3B

Throttle Body, 103mm, Drive-By-Wire, Billet Aluminum, Black, Chevy LS, LSX, Each

Part Number: GRN-GMTBLS3B

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Estimated Ship Date: Jan 27, 2026 if ordered today

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Estimated Ship Date: Jan 27, 2026 if ordered today

Bosch Fuel Injectors 62391

Fuel Injector, Replacement, Chrysler, Dodge, 2.7L, 3.5L, 4.0L, 4.7L, Each

Part Number: BCH-62391

5.0 out of 5 stars ( 3 )

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FiTech Fuel Rails 70050-2

Fuel Rails, Ultimate, -6 AN, with Fittings/Hardware and Crossover Hose, Billet Aluminum, Black, Chevy, Small Block, LS1, Pair

Part Number: FIF-70050-2

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Holley Terminator X MAX Stealth 4150 24X LS EFI Fuel Injection Systems 550-1029

Fuel Injection Systems, Terminator X Max, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Aluminum, Black, Trans Control, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1029

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Standard Motor Fuel Injector O-Rings SK1

Fuel Injector Seals, OEM Replacement, Passenger Car, Pickup, SUV, Van, Set of 8

Part Number: SMP-SK1

4.63 out of 5 stars ( 16 )

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Injector Dynamics ID1050x Fuel Injectors 1050.60.14.14.4

Injector Dynamics ID1050X Injectors 14mm (Purple) Top (Set of 4)

Part Number: IJD-10506014144

Not Yet Reviewed

Estimated Ship Date: Jan 26, 2026 if ordered today

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ACDelco Fuel Injector Retaining Clips 12584591

Fuel Injector Retaining Clips, GM, Steel, Natural, Each

Part Number: ADO-12584591

1.0 out of 5 stars ( 1 )

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Holley Replacement LS Series Fuel Rail Brackets 534-262

Fuel Rail Fasteners, Lo-Ram Manifold, LS Series, Aluminum Brackets, Black, Kit

Part Number: HLY-534-262

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Top Street Performance Throttle Body Harness Adapter for GM LS1 to LS2 81032

Throttle Body Adapter Harness, 8-Pin LS1 Harness to 6-Pin LS2 Throttle Body Plug, Each

Part Number: TSN-81032

4.33 out of 5 stars ( 3 )

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Standard Motor Fuel Injectors for 1999-2004 WRANGLER, GRAND CHEROKEE, 1999-2001 CHEROKEE - FJ454RP6

Fuel Injector, Replacement, Jeep, Set of 6

Part Number: SMP-FJ454RP6

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Standard Motor T-Series Idle Air Control Valves AC1T

Idle Air Control, IAC Valve, AM General, Buick, Cadillac, Chevy, GMC, Isuzu, Jaguar, Land Rover, Oldsmobile, Pontiac, Each

Part Number: SMP-AC1T

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Injector Dynamics ID1050x Fuel Injectors 1050.48.14.15.8

Injector Dynamics ID1050X Injectors 14mm (Gray) Adapter Top (Set of 8) Orange Lower O-Ring

Part Number: IJD-10504814158

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Delphi Idle Air Control Valves CV10088

Idle Air Control Valve, Ford, Each

Part Number: DFP-CV10088

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ACDelco Fuel Rails 17113695

Fuel Rail, Right Side Position, Each

Part Number: ADO-17113695

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Holley Terminator X Stealth 4150 24X LS EFI Fuel Injection Systems 550-1020

Fuel Injection Systems, Terminator X, Stealth 4150, 24X LS EFI, Four Injector, Throttle Body, Speed Density, Aluminum, Shiny, Chevy, 4.8-7.0L, Kit

Part Number: HLY-550-1020

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Estimated Ship Date: Jan 26, 2026 if ordered today

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Estimated Ship Date: Jan 26, 2026 if ordered today