GM LS3 Swap Fuel Injection Systems

109 products fit your

Chevy LS V8 Gen 4 6.2 LS3

Select Injection Style

All

109

Multi-port

Throttle Body

Sequential multi-port

109 products

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Engine Family

Chevy LS V8

Engine Version

Gen 4

Displacement

6.2

Engine Code

LS3

Products

FiTech |

#52170051

FiTech 70051 Ultimate LS Standalone EFI ECU w/ Trans Control

(2)

GTIN Code:

854549007453

Sold in Quantity:

Each

$1,202.00

/each

FiTech |

#52170050

FiTech 70050 Ultimate LS Standalone EFI ECU w/o Trans Control

(2)

GTIN Code:

854549007446

Sold in Quantity:

Each

$959.00

/each

Rebate

FiTech |

#52179611

FiTech 79611 LS Kit 70011 W/ 50015 Module, 54001, LED Coil Pack

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

CFM:

1000 CFM

$2,273.39

/kit

New Product

FiTech |

#52173304

FiTech 73304 Nitro-Port Cast, LS3 500HP EFI With Trans Control

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

Injector Size:

36 lbs./hr.

$2,445.00

/kit

Rebate

FiTech |

#52179102

FiTech 79102 LS Kit W/ 70002 Plus Inline Fuel Pump And Coil Pack

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

CFM:

1000 CFM

$2,370.59

/kit

New Product

FiTech |

#52173306

FiTech 73306 Nitro-Port Cast, LS3 750HP EFI With Trans Control

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

Injector Size:

55 lbs./hr.

$2,445.00

/kit

FiTech |

#52170011

FiTech 70011 Ultimate LS EFI, LS3/L92, 500 HP, w/o Trans Control

Injection Style:

Multi-port

CFM:

1000 CFM

Injector Size:

36 lbs./hr.

$1,896.00

/each

New Product

FiTech |

#52173307

FiTech 73307 Nitro-Port Cast, LS3 1000HP EFI W/O Trans Control

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

Injector Size:

80 lbs./hr.

$2,245.00

/kit

New Product

FiTech |

#52173103

FiTech 73103 Nitro-Port Cast, LS1 500HP EFI W/O Trans Control

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

Injector Size:

36 lbs./hr.

$2,245.00

/kit

New Product

FiTech |

#52173101

FiTech 73101 Nitro-Port Cast, LS1 750HP Loaded, Cathedral Intake

Injection Style:

Multi-port

Material Type:

Aluminum

$1,200.00

/kit

New Product

FiTech |

#52173108

FiTech 73108 Nitro-Port Cast, LS1 1000HP EFI With Trans Control

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

Injector Size:

80 lbs./hr.

$2,399.00

/kit

New Product

FiTech |

#52173300

FiTech 73300 Nitro-Port Cast, LS3 500 HP Loaded/ Short LS3 Port

Injection Style:

Multi-port

Material Type:

Aluminum

$1,200.00

/kit

Edelbrock |

#32535740

Edelbrock 35740 Pro-Flo 4 EFI 4150-Style Kit, Gen III/IV LS

Injection Style:

Multi-port

CFM:

1000 CFM

Injector Size:

35 lbs./hr.

$2,379.95

/kit

Edelbrock |

#32535750

Edelbrock 35750 Pro-Flo 4 EFI 4150-Style Kit, Gen IV LS

Injection Style:

Multi-port

CFM:

1000 CFM

Injector Size:

42 lbs./hr.

$2,555.95

/kit

Rebate

FiTech |

#52176201

FiTech 76201 LS Master Kit 70001 W/ 50015 Go Fuel In-Tank Module

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

CFM:

1000 CFM

$1,880.99

/kit

Rebate

FiTech |

#52179101

FiTech 79101 LS Kit W/ 70001 Plus Inline Fuel Pump And Coil Pack

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

CFM:

1000 CFM

$2,113.19

/kit

New Product

FiTech |

#52173102

FiTech 73102 Nitro-Port Cast, LS1 1000HP Loaded, Cathedral Intake

Injection Style:

Multi-port

Material Type:

Aluminum

$1,200.00

/kit

Edelbrock |

#32535710

Edelbrock 35710 Pro-Flo 4 EFI Kit, GM LS Gen III/IV Engine

Injection Style:

Multi-port

CFM:

1000 CFM

Injector Size:

35 lbs./hr.

$2,266.95

/each

FiTech |

#52170032

FiTech 70032 Ultimate LS 1000HP System, Long Cathedral Intake

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

CFM:

1000 CFM

$2,245.00

/kit

Rebate

FiTech |

#52179608

FiTech 79608 LS Kit 70008 W/ 50015 Module, 54001, LED Coil Pack

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

CFM:

1000 CFM

$2,454.29

/kit

FiTech |

#52170014

FiTech 70014 Ultimate LS EFI, LS3/L92, 750 HP, w/ Trans Control

Injection Style:

Multi-port

CFM:

1000 CFM

Injector Size:

55 lbs./hr.

$2,410.00

/each

Rebate

FiTech |

#52179612

FiTech 79612 LS Kit 70012 W/ 50015 Module, 54001, LED Coil Pack

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

CFM:

1000 CFM

$2,454.29

/kit

Rebate

Holley |

#4255501029

Holley 550-1029 Terminator X Max Stealth EFI 24X LS Trans Control

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$2,536.95

/kit

$2,819.95

Edelbrock |

#32535700

Edelbrock 35700 Pro-Flo 4 EFI Kit, GM LS Gen III/IV Engine

Injection Style:

Sequential multi-port

Injector Size:

29 lbs./hr.

ECM Included:

Yes

$2,266.95

/each

New Product

FiTech |

#52173308

FiTech 73308 Nitro-Port Cast, LS3 1000HP EFI With Trans Control

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

Injector Size:

80 lbs./hr.

$2,445.00

/kit

New Product

FiTech |

#52173100

FiTech 73100 Nitro-Port Cast, LS1 500HP Loaded, Cathedral Intake

Injection Style:

Multi-port

Material Type:

Aluminum

$1,200.00

/kit

Rebate

FiTech |

#52179614

FiTech 79614 LS Kit 70014 W/ 50015 Module, 54001, LED Coil Pack

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

CFM:

1000 CFM

$2,712.59

/kit

New Product

FiTech |

#52173104

FiTech 73104 Nitro-Port Cast, LS1 500HP EFI With Trans Control

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

Injector Size:

36 lbs./hr.

$2,445.00

/kit

New Product

FiTech |

#52173106

FiTech 73106 Nitro-Port Cast, LS1 750HP EFI With Trans Control

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

Injector Size:

55 lbs./hr.

$2,445.00

/kit

New Product

FiTech |

#52173105

FiTech 73105 Nitro-Port Cast, LS1 750HP EFI W/O Trans Control

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

Injector Size:

55 lbs./hr.

$2,245.00

/kit

Rebate

FiTech |

#52176202

FiTech 76202 LS Master Kit 70002 W/ 50015 Go Fuel In-Tank Module

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

CFM:

1000 CFM

$2,138.39

/kit

New Product

FiTech |

#52173302

FiTech 73302 Nitro-Port Cast, LS3 1000HP Loaded, Short LS3 Intake

Injection Style:

Multi-port

Material Type:

Aluminum

$1,200.00

/kit

Rebate

FiTech |

#52176114

FiTech 76114 LS3 750HP EFI Intake, Trans Control, Pump, Regulator

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

Injector Size:

55 lbs./hr.

$2,416.49

/kit

FiTech |

#52170033

FiTech 70033 LS 1000HP EFI, Long Cathedral Intake, Trans Control

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

CFM:

1000 CFM

$2,689.00

/kit

New Product

FiTech |

#52173305

FiTech 73305 Nitro-Port Cast, LS3 750HP EFI W/O Trans Control

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

Injector Size:

55 lbs./hr.

$2,245.00

/kit

Rebate

FiTech |

#52179601

FiTech 79601 LS Kit 70001 W/ 50015 Module, 54001, LED Coil Pack

Injection Style:

Multi-port

Fuel Injection System Type:

Multi-port Throttle Body

CFM:

1000 CFM

$2,196.89

/kit

Showing 1 - 36 of 109 results

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The experts at Speedway Motors have carefully curated a selection of the best Fuel Injection Kits for Chevy LS3 - in stock and ready to ship to your doorstep. With 95 Chevy LS3 Fuel Injection Kits for sale, and options to fit your needs including custom, direct fit, and universal Fuel Injection Kits for your needs. We offer choices from top brands like Holley and Edelbrock. Shop with confidence and trust Speedway Motors to deliver the best Chevy LS3 Fuel Injection Kits on the market.

Speedway Motors is always focused on quality, which is why we don’t sell cheap Chevy LS3 EFI kits, we focus on providing Chevy LS3 fuel injection systems that don’t skimp on quality while still fitting your budget. Speedway Motors is a trusted Chevy LS3 Fuel Injection Kits source bolstered by a dedicated staff of experienced Racers and Rodders that other online sellers just can’t match. If you've searched for Chevy LS3 EFI kits near me, then Speedway Motors has you covered thanks to our coast to coast shipping network. We’re equipped to ship Chevy LS3 fuel injection conversion kits to your shop, quickly and reliably. Shop Chevy LS3 fuel injection systems at Speedway Motors, where automotive ingenuity and craftsmanship are celebrated every day.

Why choose Speedway Motors over the other guys for your Chevy LS3 fuel injection conversion kits? We’re here to support your passion like nobody else, because our employees are customers too. Our customers love our experienced team of techs, who are waiting to answer any questions you might have about our Fuel Injection Kits - including making sure you have everything you need for your application. From our company’s beginnings in 1952 to the haven for Racers and Rodders we’ve become today, our family run business has never strayed from our promise of providing hassle free ordering & delivery, competitive prices, quality parts, and the best Chevy LS3 EFI kits around.

GM LS3 Swap Fuel Injection Systems

Injection Style

Brand

Application

Department

Transmission Family

Availability

Discounts

Make

Platform

Price

Customer Rating

Products

FiTech 70051 Ultimate LS Standalone EFI ECU w/ Trans Control

FiTech 70050 Ultimate LS Standalone EFI ECU w/o Trans Control

FiTech 79611 LS Kit 70011 W/ 50015 Module, 54001, LED Coil Pack

FiTech 73304 Nitro-Port Cast, LS3 500HP EFI With Trans Control

FiTech 79102 LS Kit W/ 70002 Plus Inline Fuel Pump And Coil Pack

FiTech 73306 Nitro-Port Cast, LS3 750HP EFI With Trans Control

FiTech 70011 Ultimate LS EFI, LS3/L92, 500 HP, w/o Trans Control

FiTech 73307 Nitro-Port Cast, LS3 1000HP EFI W/O Trans Control

FiTech 73103 Nitro-Port Cast, LS1 500HP EFI W/O Trans Control

FiTech 73101 Nitro-Port Cast, LS1 750HP Loaded, Cathedral Intake

FiTech 73108 Nitro-Port Cast, LS1 1000HP EFI With Trans Control

FiTech 73300 Nitro-Port Cast, LS3 500 HP Loaded/ Short LS3 Port

Edelbrock 35740 Pro-Flo 4 EFI 4150-Style Kit, Gen III/IV LS

Edelbrock 35750 Pro-Flo 4 EFI 4150-Style Kit, Gen IV LS

FiTech 76201 LS Master Kit 70001 W/ 50015 Go Fuel In-Tank Module

FiTech 79101 LS Kit W/ 70001 Plus Inline Fuel Pump And Coil Pack

FiTech 73102 Nitro-Port Cast, LS1 1000HP Loaded, Cathedral Intake

Edelbrock 35710 Pro-Flo 4 EFI Kit, GM LS Gen III/IV Engine

FiTech 70032 Ultimate LS 1000HP System, Long Cathedral Intake

FiTech 79608 LS Kit 70008 W/ 50015 Module, 54001, LED Coil Pack

FiTech 70014 Ultimate LS EFI, LS3/L92, 750 HP, w/ Trans Control

FiTech 79612 LS Kit 70012 W/ 50015 Module, 54001, LED Coil Pack

Holley 550-1029 Terminator X Max Stealth EFI 24X LS Trans Control

Edelbrock 35700 Pro-Flo 4 EFI Kit, GM LS Gen III/IV Engine

FiTech 73308 Nitro-Port Cast, LS3 1000HP EFI With Trans Control

FiTech 73100 Nitro-Port Cast, LS1 500HP Loaded, Cathedral Intake

FiTech 79614 LS Kit 70014 W/ 50015 Module, 54001, LED Coil Pack

FiTech 73104 Nitro-Port Cast, LS1 500HP EFI With Trans Control

FiTech 73106 Nitro-Port Cast, LS1 750HP EFI With Trans Control

FiTech 73105 Nitro-Port Cast, LS1 750HP EFI W/O Trans Control

FiTech 76202 LS Master Kit 70002 W/ 50015 Go Fuel In-Tank Module

FiTech 73302 Nitro-Port Cast, LS3 1000HP Loaded, Short LS3 Intake

FiTech 76114 LS3 750HP EFI Intake, Trans Control, Pump, Regulator

FiTech 70033 LS 1000HP EFI, Long Cathedral Intake, Trans Control

FiTech 73305 Nitro-Port Cast, LS3 750HP EFI W/O Trans Control

FiTech 79601 LS Kit 70001 W/ 50015 Module, 54001, LED Coil Pack

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