1978 Jeep J20 Engine Parts

5,129 products fit your

1978 Jeep J20

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1978 Jeep J20

Products

$187 Off

Holley |

#425550605

Holley 550-605 HP EFI ECU & Harness Kit, Universal, Unterminated

Ignition Type:

Universal

GTIN Code:

090127666951

Sold in Quantity:

Kit

$2,749.95

/each

$2,936.95

$210 Off

Holley |

#425550607

Holley 550-607 HP EFI ECU & Harness Kit, LS2/LS3/LS7, Bosch O2

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$2,849.95

/each

$3,059.95

-8%

Holley |

#425554204

Holley EFI 554-204 Sensor Kit MAP IAT Pressure Temp G-Meter

Air Temperature Sensor Included:

Yes

MAP Sensor Included:

Yes

$899.95

/kit

$979.95

$229 Off

Holley |

#425550605N

Holley EFI 550-605N HP EFI ECU And Harness Kits

Ignition Type:

Universal

GTIN Code:

090127687482

Sold in Quantity:

Kit

$2,999.95

/each

$3,228.95

$187 Off

Holley |

#425550606

Holley EFI 550-606 HP EFI ECU And Harness Kits

Ignition Type:

Ford TFI

Injector Connector:

Jetronic / Minitimer (EV1)

Sold in Quantity:

Kit

$2,749.95

/each

$2,936.95

$229 Off

Holley |

#425550606N

Holley 550-606N HP EFI ECU & Harness Kit, Ford V8 MPFI, NTK O2

Ignition Type:

Ford TFI

Injector Connector:

Jetronic / Minitimer (EV1)

Sold in Quantity:

Kit

$2,999.95

/each

$3,228.95

-7%

Earls |

#425592906ERL

Earls 592906ERL Aluminum -6 AN Flare Fitting Cap, Blue Anodized

Material Type:

Aluminum

Color:

Blue

$11.91

/pair

$12.88

-7%

Holley Sniper |

#42555320

Holley Sniper 2 553-202 EFI Touch Handheld Controller, 3.5 Inch

(1)

GTIN Code:

090127820551

Sold in Quantity:

Each

$299.95

/each

$322.95

-8%

Holley |

#425570304

Holley 570-304 Ignition Sub Harness Connectors, 10 Cavity, Male

GTIN Code:

090127010822

$53.25

/kit

$57.95

-7%

Holley |

#425558403

Holley 558-403 Dominator EFI Connector J3 Auxiliary Harness

GTIN Code:

090127666449

$186.95

/each

$202.95

-7%

Holley |

#425558404

Holley 558-404 Dominator EFI Connector J4 Auxiliary Harness

GTIN Code:

090127666456

$238.95

/each

$258.95

-8%

Holley |

#425558407

Holley 558-407 Dominator EFI Multi Map Selector

GTIN Code:

090127669341

$183.95

/each

$199.95

-5%

Holley |

#425550909

Holley 550-909 Terminator X 24X/1X EV6 LS1/LS6 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$1,599.95

/kit

$1,687.95

$144 Off

Holley |

#4255501218

Holley 550-1218 Terminator X, Ford Modular 4V, EV1 Injectors

Ignition Type:

Ford 4V Mod Stock Coils

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$2,049.95

/kit

$2,193.95

$144 Off

Holley |

#4255501219

Holley 550-1219 Terminator X, Ford Modular 4V, EV6 Injectors

Ignition Type:

Ford 4V Mod Stock Coils

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$2,049.95

/kit

$2,193.95

$144 Off

Holley |

#4255501220

Holley 550-1220 Terminator X, Ford Mod 2V or 4V, Smart Coils, EV1

Ignition Type:

Holley Smart Coils

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

Touchscreen Handheld

$2,049.95

/kit

$2,193.95

$144 Off

Holley |

#4255501221

Holley 550-1221 Terminator X, Ford Mod 2V or 4V, Smart Coils, EV6

Ignition Type:

Holley Smart Coils

Injector Connector:

USCAR (EV6)

Tuner Style:

Touchscreen Handheld

$2,049.95

/kit

$2,193.95

-8%

Holley |

#425522101X

Holley 522-101X 100 LB/HR Performance Fuel Injector, Single

Fuel Injector O-Rings Included:

Yes

Injector Plug Style:

USCAR/EV6/EV14

$75.99

/each

$82.95

-7%

Holley |

#425522368

Holley 522-368 High Impedance Fuel Injector, 36 lb/hr Injector Flow

Injector Plug Style:

EV1/Jetronic/Minitimer

GTIN Code:

090127666630

$623.95

/each

$674.95

-7%

Earls |

#425AT849010ERL

Earls AT849010ERL 90 Degree -10 AN Male to -10 AN Swivel Seal Hose

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Male

Fitting End B:

-10 AN Hose

$83.69

/each

$90.95

-7%

Earls |

#425AT915120ERL

Earls AT915120ERL Straight -20 AN Female Swivel Coupling, Aluminum

Fitting End A:

-20 AN Female

Fitting End B:

-20 AN Female

Angle:

Straight

$92.09

/each

$99.95

Quick Fuel 25-60QFT Power Valve Assembly, 6.0 Inch

Quick Fuel Technology |

#4242560QFT

Quick Fuel 25-60QFT Power Valve Assembly, 6.0 Inch

GTIN Code:

849804005329

Sold in Quantity:

Each

$16.42

/each

-9%

Earls |

#4256453033ERL

Earls 6453033ERL Speed-Seal -3 AN Hose End Tee, 3/16 Mount, Aluminum

Fitting End A:

-3 AN Male

Fitting End B:

-3 AN Male

Fitting End C:

-3 AN Male

$99.95

/each

$109.95

-8%

Holley |

#42530211

Holley 302-11 GM LS Swap Retro-Fit Oil Pan Baffle Kit

Material Type:

Aluminum

Sold in Quantity:

Kit

$399.95

/each

$438.95

-7%

Holley |

#425558101

Holley 558-101 TPI/Stealth Ram Main Harness

GTIN Code:

090127666715

$675.95

/each

$731.95

-7%

Holley |

#425558103

Holley 558-103 LS Engine Main Harness 58x/4x HP & Dominator EFI

GTIN Code:

090127666739

$675.95

/each

$731.95

$125 Off

Holley |

#425550904T

Holley 550-904T Terminator X Early Truck Engine MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Multec 2

Tuner Style:

USB/CAN Tuning Cable

$1,449.95

/each

$1,574.95

-5%

Holley |

#425534301

Holley 534-301 Terminator X Stealth 4500 Throttle Body, Shiny

Throttle Body Style:

Throttle Body Injection (TBI)

Sold in Quantity:

Each

$1,249.95

/each

$1,325.95

-7%

Holley |

#425534308

Holley 534-308 Terminator X Stealth 4150 Air Valve, Black

Throttle Body Style:

Throttle Body Injection (TBI)

Sold in Quantity:

Each

$1,171.95

/kit

$1,267.95

$138 Off

Holley Sniper |

#425550510BXD

Holley Sniper 550-510-BXD 4-barrel Self-Tuning EFI Conversion Kit

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$1,999.95

/kit

$2,137.95

$113 Off

Holley Sniper |

#425550510BXK

Holley Sniper 550-510-BXK 4-barrel Self-Tuning EFI Conversion Kit

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$1,799.95

/kit

$1,912.95

$138 Off

Holley Sniper |

#425550510BXR

Holley Sniper 550-510-BXR 4-barrel Self-Tuning EFI Conversion Kit

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$1,999.95

/kit

$2,137.95

$163 Off

Holley Sniper |

#4255505113PD

Holley Sniper 2 550-511-3PD Returnless EFI Kit, Black

Injection Style:

Throttle Body

Injector Size:

100 lb/hr

Max Horsepower Rating:

650

$2,199.95

/each

$2,362.95

-6%

Holley |

#425522168

Holley 522-168 Low Impedance Fuel Injector, 160 lb/hr Injector Flow

Injector Plug Style:

EV1/Jetronic/Minitimer

GTIN Code:

090127686584

$1,049.95

/each

$1,124.95

-5%

Holley Sniper |

#425550872

Holley Sniper 550-872 Stealth 4150 EFI, Gold

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$1,649.95

/kit

$1,743.95

$269 Off

Holley |

#4255501081

Holley 550-1081 Terminator Stealth 2X4 4500 Kit, Black

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

1500

$3,949.95

/kit

$4,218.95

Showing 1 - 3024 of 5,129 results

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1978 Jeep J20 Engine Parts

Subcategory

Part

Brand

Transmission Family

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Price

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Products

Holley 550-605 HP EFI ECU & Harness Kit, Universal, Unterminated

Holley 550-607 HP EFI ECU & Harness Kit, LS2/LS3/LS7, Bosch O2

Holley EFI 554-204 Sensor Kit MAP IAT Pressure Temp G-Meter

Holley EFI 550-605N HP EFI ECU And Harness Kits

Holley EFI 550-606 HP EFI ECU And Harness Kits

Holley 550-606N HP EFI ECU & Harness Kit, Ford V8 MPFI, NTK O2

Earls 592906ERL Aluminum -6 AN Flare Fitting Cap, Blue Anodized

Holley Sniper 2 553-202 EFI Touch Handheld Controller, 3.5 Inch

Holley 570-304 Ignition Sub Harness Connectors, 10 Cavity, Male

Holley 558-403 Dominator EFI Connector J3 Auxiliary Harness

Holley 558-404 Dominator EFI Connector J4 Auxiliary Harness

Holley 558-407 Dominator EFI Multi Map Selector

Holley 550-909 Terminator X 24X/1X EV6 LS1/LS6 MPFI Kit

Holley 550-1218 Terminator X, Ford Modular 4V, EV1 Injectors

Holley 550-1219 Terminator X, Ford Modular 4V, EV6 Injectors

Holley 550-1220 Terminator X, Ford Mod 2V or 4V, Smart Coils, EV1

Holley 550-1221 Terminator X, Ford Mod 2V or 4V, Smart Coils, EV6

Holley 522-101X 100 LB/HR Performance Fuel Injector, Single

Holley 522-368 High Impedance Fuel Injector, 36 lb/hr Injector Flow

Earls AT849010ERL 90 Degree -10 AN Male to -10 AN Swivel Seal Hose

Earls AT915120ERL Straight -20 AN Female Swivel Coupling, Aluminum

Quick Fuel 25-60QFT Power Valve Assembly, 6.0 Inch

Earls 6453033ERL Speed-Seal -3 AN Hose End Tee, 3/16 Mount, Aluminum

Holley 302-11 GM LS Swap Retro-Fit Oil Pan Baffle Kit

Holley 558-101 TPI/Stealth Ram Main Harness

Holley 558-103 LS Engine Main Harness 58x/4x HP & Dominator EFI

Holley 550-904T Terminator X Early Truck Engine MPFI Kit

Holley 534-301 Terminator X Stealth 4500 Throttle Body, Shiny

Holley 534-308 Terminator X Stealth 4150 Air Valve, Black

Holley Sniper 550-510-BXD 4-barrel Self-Tuning EFI Conversion Kit

Holley Sniper 550-510-BXK 4-barrel Self-Tuning EFI Conversion Kit

Holley Sniper 550-510-BXR 4-barrel Self-Tuning EFI Conversion Kit

Holley Sniper 2 550-511-3PD Returnless EFI Kit, Black

Holley 522-168 Low Impedance Fuel Injector, 160 lb/hr Injector Flow

Holley Sniper 550-872 Stealth 4150 EFI, Gold

Holley 550-1081 Terminator Stealth 2X4 4500 Kit, Black