1978 Dodge D300 Engine Parts

5,354 products fit your

1978 Dodge D300

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1978 Dodge D300

Products

-7%

Mr Gasket |

#55058CG

Mr Gasket 58CG Carburetor Gasket, 4500, Open

Carburetor Barrels:

4-Barrel

Carburetor Flange Type:

4-Barrel Dominator

Gasket Material:

Cellulose/Nitrile composition

$10.30

/each

$11.14

-7%

Earls |

#425591932ERL

Earls 591932ERL Brake Adapter, 7/16 Inch-24, -3 AN, Zinc Plated Steel

(3)

Fitting End A:

-3 AN Male

Fitting End B:

7/16"-24 I.F. Male

Material Type:

Steel

$22.40

/each

$24.23

-7%

Earls |

#425591941ERL

Earls 591941ERL Brake Adapter, 7/16 Inch-20, -4 AN, Zinc Plated Steel

Fitting End A:

-4 AN Male

Fitting End B:

7/16"-20 I.F. Male

Material Type:

Steel

$22.40

/pair

$24.23

-7%

Earls |

#425750012ERL

Earls 750012ERL Vapor Guard 2 Ear Type 3/8 Inch Hose Clamp 5/Pk

(3)

Style:

Crimp

Material Type:

Stainless Steel

Color:

Natural

$13.40

/set

$14.49

-6%

Hooker Headers |

#4258540HKR

Hooker Headers 8540HKR GM LT Turbo Exhaust Manifolds, Natural

Finish:

Natural

Collector Diameter:

3 Inch

$699.95

/kit

$749.95

1946 Ford Sedan Delivery Engine Detail

Speedway Motors Product Manager Jeff K. talks about how to really make your engine bay stand out from the crowd with just a little patience, and some Speedway products.

Chris Ryan's 1978 Pontiac Trans Am

Chris Ryan's '78 Firebird is a loving tribute to that famous Trans Am from _Smokey & the Bandit_, but with style and performance that would have been nearly impossible when the Bandit was busy with Sheriff Justice.

Engine Cylinder Numbers

$157 Off

Holley Sniper |

#4255505103PXSBC

Holley Sniper 2 550-510-3PX-SBC EFI Bundle w/ HyperSpark Ign. SBC

Injection Style:

Throttle Body

Injector Size:

100 lb/hr

Max Horsepower Rating:

650

$2,149.95

/each

$2,306.95

$157 Off

Holley Sniper |

#4255505103PXSBF

Holley Sniper 2 550-510-3PX-SBF EFI Bundle w/ HyperSpark Ign. SBF

Injection Style:

Throttle Body

Injector Size:

100 lb/hr

Max Horsepower Rating:

650

$2,149.95

/kit

$2,306.95

$150 Off

Holley Sniper 2 EFI Returnless Kit, Without PDM, 3.5 In Handheld

Holley Sniper |

#42555053

Holley Sniper 2 EFI Returnless Kit, Without PDM, 3.5 In Handheld

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$2,099.95

/kit

$2,249.95

-7%

Earls |

#425700109ERL

Earls 700109ERL Straight -8 AN Female to 1/2 Inch Barb Adapter

(2)

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$10.60

/each

$11.46

-7%

Earls |

#425600103ERL

Earls 600103ERL Speed-Seal Hose End, -3 AN, Steel

(1)

Fitting Hose Size:

-3 AN

Fitting End A:

-3 AN Female

Fitting End B:

-3 AN Hose

$14.88

/each

$16.10

-7%

Quick Fuel 30-201QFT Quick Fuel EFI Filter Regulator, -8AN

Quick Fuel Technology |

#42430201QFT

Quick Fuel 30-201QFT Quick Fuel EFI Filter Regulator, -8AN

Fuel Pressure Rating (psi):

59.5

GTIN Code:

849804016455

$272.95

/each

$295.95

Quick Fuel 3-204QFT Performance Carburetor Rebuild Kit, 4150/4150 H.P.

Quick Fuel Technology |

#4243204QFT

Quick Fuel 3-204QFT Performance Carburetor Rebuild Kit, 4150/4150 H.P.

(2)

Gasket(s) Included:

Yes

Sold in Quantity:

Kit

$112.95

/each

-7%

Quick Fuel 3-210QFT Carburetor Rebuild Kit, M2300/4150

Quick Fuel Technology |

#4243210QFT

Quick Fuel 3-210QFT Carburetor Rebuild Kit, M2300/4150

(1)

Sold in Quantity:

Kit

Rebuild Kit Type:

Rebuild kit

$59.89

/each

$64.95

-7%

Earls |

#4256453003ERL

Earls 6453003ERL Speed-Seal -3 AN Hose End Tee, 3/16 Mount, Steel

Fitting End A:

-3 AN Male

Fitting End B:

-3 AN Male

Fitting End C:

-3 AN Male

$93.25

/each

$100.95

-7%

Earls |

#425813ERL

Earls 813ERL Ultrapro Oil Cooler, 13 Row Extra-Wide, Black

Overall Width:

16"

Overall Height:

3.940"

Overall Thickness:

$355.95

/each

$385.95

-6%

Holley Sniper |

#425565301K

Holley Sniper 565-301K Hyperspark Master Kit, 565-301 Dist., Ford

Sold in Quantity:

Kit

Distributor Included:

Yes

$1,049.95

/kit

$1,124.95

-6%

Holley Sniper |

GTIN Code:

090127666753

$571.95

/each

$618.95

-8%

Holley |

#425558131

Holley 558-131 Gen III Hemi VVT Harness, for Terminator X Systems

Sold in Quantity:

Each

GTIN Code:

090127104439

$133.95

/kit

$145.95

-7%

Holley |

#425522248

Holley 522-248 High Impedance Fuel Injector, 24 lb/hr Injector Flow

GTIN Code:

090127666616

$715.95

/each

$775.95

$157 Off

Holley |

#425550926T

Holley 550-926T Terminator X Max LS1 MPFI Kit

Ignition Type:

Factory GM

Injector Connector:

Jetronic / Minitimer (EV1)

Tuner Style:

USB/CAN Tuning Cable

$2,149.95

/each

$2,306.95

-7%

Earls |

#425759156ERL

Earls 759156ERL Vapor Guard 90 Deg Hose End -6 to 5/16 Inch

(2)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

5/16" Hose barb

$17.56

/each

$18.99

-7%

Holley Sniper |

#4258600041

Holley Sniper 8600041-1 EFI Throttle Body, LS, Black, 92mm

(1)

Color:

Black

Hardware Included:

Yes

$259.95

/each

$281.95

$150 Off

Holley Sniper 2 EFI Return Style Kit, Without PDM 3.5 In Handheld

Holley Sniper |

#42555054

Holley Sniper 2 EFI Return Style Kit, Without PDM 3.5 In Handheld

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$2,099.95

/kit

$2,249.95

-5%

Holley Sniper |

#425550870

Holley Sniper 550-870 Stealth 4150 EFI, Shiny

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$1,599.95

/kit

$1,687.95

$223 Off

Holley |

#4255501065

Holley 550-1065 Terminator X Max Stealth EFI 58X LS Trans Control

Injection Style:

Throttle Body

Injector Size:

100 lb/hr @ 58.5 PSI

Max Horsepower Rating:

650

$2,949.95

/kit

$3,172.95

Holley |

#425108203

Holley 108-203 Gasket Pack Fits Model 4175

GTIN Code:

090127015766

Sold in Quantity:

Each

$20.87

/each

-7%

Holley |

#42526139

Holley 26-139 Accelerator Pump Cover, 30cc w/ Lever and Screws

GTIN Code:

090127619759

$28.39

/each

$30.71

Holley |

#427125

Holley 125 Power Valve

(20)

$16.93

/each

-7%

Mr Gasket |

#5501489A

Mr Gasket 1489A Air Filter, Replacement Element, 4 x 2 Inch, White

(1)

GTIN Code:

084041114896

$14.64

/each

$15.84

$409 Off

Holley |

#42520186BK

Holley 20-186BK GM LS Engine Mid-Mount Accessory System, Black

Pulley Style:

Serpentine

Crankshaft Pulley Included:

Yes

Crankshaft Pulley Material:

Steel

$2,299.95

/kit

$2,708.95

$445 Off

Holley |

#42520187

Holley 20-187 Mid-Mount LS Race Accessory System

Crankshaft Pulley Included:

Yes

Crankshaft Pulley Material:

Billet Aluminum

Water Pump Included:

Yes

$2,149.95

/each

$2,594.95

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1978 Dodge D300 Engine Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

Discounts

Price

Customer Rating

Products

Mr Gasket 58CG Carburetor Gasket, 4500, Open

Earls 591932ERL Brake Adapter, 7/16 Inch-24, -3 AN, Zinc Plated Steel

Earls 591941ERL Brake Adapter, 7/16 Inch-20, -4 AN, Zinc Plated Steel

Earls 750012ERL Vapor Guard 2 Ear Type 3/8 Inch Hose Clamp 5/Pk

Hooker Headers 8540HKR GM LT Turbo Exhaust Manifolds, Natural

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Holley Sniper 2 550-510-3PX-SBC EFI Bundle w/ HyperSpark Ign. SBC

Holley Sniper 2 550-510-3PX-SBF EFI Bundle w/ HyperSpark Ign. SBF

Holley Sniper 2 EFI Returnless Kit, Without PDM, 3.5 In Handheld

Earls 700109ERL Straight -8 AN Female to 1/2 Inch Barb Adapter

Earls 600103ERL Speed-Seal Hose End, -3 AN, Steel

Quick Fuel 30-201QFT Quick Fuel EFI Filter Regulator, -8AN

Quick Fuel 3-204QFT Performance Carburetor Rebuild Kit, 4150/4150 H.P.

Quick Fuel 3-210QFT Carburetor Rebuild Kit, M2300/4150

Earls 6453003ERL Speed-Seal -3 AN Hose End Tee, 3/16 Mount, Steel

Earls 813ERL Ultrapro Oil Cooler, 13 Row Extra-Wide, Black

Holley Sniper 565-301K Hyperspark Master Kit, 565-301 Dist., Ford

Holley Sniper 565-302K Hyperspark Master Kit, 565-302 Dist., Ford

Holley 550-903T Terminator X LS1 MPFI Kit

Holley 550-909T Terminator X 24X/1X EV1 LS MPFI Kit

Holley 550-910 Terminator X 58X/4X EV1 LS MPFI Kit

Holley 550-916T Terminator X Max LS1 MPFI Kit

Holley 558-105 Unterminated Universal Main Harness

Holley 558-131 Gen III Hemi VVT Harness, for Terminator X Systems

Holley 522-248 High Impedance Fuel Injector, 24 lb/hr Injector Flow

Holley 550-926T Terminator X Max LS1 MPFI Kit

Earls 759156ERL Vapor Guard 90 Deg Hose End -6 to 5/16 Inch

Holley Sniper 8600041-1 EFI Throttle Body, LS, Black, 92mm

Holley Sniper 2 EFI Return Style Kit, Without PDM 3.5 In Handheld

Holley Sniper 550-870 Stealth 4150 EFI, Shiny

Holley 550-1065 Terminator X Max Stealth EFI 58X LS Trans Control

Holley 108-203 Gasket Pack Fits Model 4175

Holley 26-139 Accelerator Pump Cover, 30cc w/ Lever and Screws

Holley 125 Power Valve

Mr Gasket 1489A Air Filter, Replacement Element, 4 x 2 Inch, White

Holley 20-186BK GM LS Engine Mid-Mount Accessory System, Black

Holley 20-187 Mid-Mount LS Race Accessory System