ATK Performance Eng. Engine Block - Long HP73 320 Horsepower/415 Foot Pounds Of Torque; 9 1 Compression Ratio; 4.040 Inch Bore/3.580 Inch Stroke; Externally Balanced
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ATK Performance Eng. Engine Block - Long HP73 320 Horsepower/415 Foot Pounds Of Torque; 9 1 Compression Ratio; 4.040 Inch Bore/3.580 Inch Stroke; Externally Balanced

ATK Performance Eng.
New
MPN:
HP73
UPC:
653517546983
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$6,213.94 $5,851.35
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Description

Important: Product images may not represent the actual item and may include generic, demonstrative, or compatibility examples. Please carefully review the product title, description, and specifications to understand what is included in your purchase.

Note: Engine Block - Long, 320 Horsepower/ 415 Foot Pounds Of Torque, 9:1 Compression Ratio, 4.040 Inch Bore/ 3.580 Inch Stroke, Externally Balanced, With Seasoned OE Magnum Block/ Cylinder Heads With Magnum 65 CC/ OE Steel Rod 6.123 Inch Stock Bolts/ Hypereutectic Dished Piston/ Moly Rings/ Hydraulic Roller Camshaft/ Steel 1.6 Pedestal Rockers/ Oil Galley Plugs/ Oil Pan

Vehicle Fitment

  • 1977-1980 Chrysler New Yorker
  • 1971-1972 Chrysler Newport
  • 1974-1980 Chrysler Newport
  • 1976-1978 Dodge B100
  • 1971-1974 Dodge B100 Van
  • 1998-1998 Dodge B1500
  • 1975-1980 Dodge B200
  • 1971-1973 Dodge B200 Van
  • 1981-1981 Dodge B250
  • 1984-1994 Dodge B250
  • 1995-1998 Dodge B2500
  • 1971-1974 Dodge Challenger
  • 1975-1978 Dodge Charger
  • 1971-1976 Dodge Coronet
  • 1975-1979 Dodge D100
  • 1984-1988 Dodge D100
  • 1971-1974 Dodge D100 Pickup
  • 1975-1980 Dodge D200
  • 1971-1974 Dodge D200 Pickup
  • 1981-1982 Dodge D250
  • 1984-1993 Dodge D250
  • 1971-1974 Dodge Dart
  • 1978-1979 Dodge Magnum
  • 1980-1980 Dodge Mirada
  • 1971-1974 Dodge Monaco
  • 1971-1973 Dodge Polara
  • 1974-1981 Dodge Ramcharger
  • 1984-1988 Dodge Ramcharger
  • 1975-1977 Dodge Royal Monaco
  • 1975-1977 Dodge W100
  • 1984-1988 Dodge W100
  • 1972-1974 Dodge W100 Pickup
  • 1977-1981 Dodge W150
  • 1984-1991 Dodge W150
  • 1993-1993 Dodge W150
  • 1975-1980 Dodge W200
  • 1971-1974 Dodge W200 Pickup
  • 1981-1982 Dodge W250
  • 1984-1993 Dodge W250
  • 1971-1974 Plymouth Barracuda
  • 1971-1974 Plymouth Cuda
  • 1974-1976 Plymouth Duster
  • 1971-1978 Plymouth Fury
  • 1971-1974 Plymouth Fury I
  • 1971-1974 Plymouth Fury II
  • 1971-1974 Plymouth Fury III
  • 1972-1977 Plymouth Gran Fury
  • 1980-1980 Plymouth Gran Fury
  • 1976-1978 Plymouth PB100
  • 1974-1974 Plymouth PB100 Van
  • 1975-1980 Plymouth PB200
  • 1974-1974 Plymouth PB200 Van
  • 1981-1981 Plymouth PB250
  • 1974-1975 Plymouth Road Runner
  • 1971-1974 Plymouth Satellite
  • 1975-1981 Plymouth Trailduster
  • 1971-1974 Plymouth Valiant
  • 1976-1976 Plymouth Valiant
  • 1976-1980 Plymouth Volare

Key Features

  • Externally Balance
  • OE Steel Rod 6.123 Inch Stock Bolts
  • Camshaft Bearings: Installed And Clocked To OEM Position
  • Freeze Plugs: Brass Installed And Sealed
  • Limited 2 Year Warranty

Technical Details

  • Engine Compatibility: Mopar Small Block Magnum
  • Recommended Use: Street
  • Horse Power Output: 320 Horsepower
  • Torque Output: 415 Feet Pound
  • Bore IN: 4.040 Inch
  • Stroke IN: 3.580 Inch
  • Compression Ratio: 9:1
  • Color: Black/ Silver
  • Cylinder Block Material: Cast Iron
  • Cylinder Head Material: Cast Iron
  • Balanced Type: External
  • Includes Camshaft: Yes
  • Includes Fuel Pump: Yes
  • Includes Oil Pan: Yes
  • Includes Water Pump: No
  • Includes Intake Manifold: No
  • Includes Carburetor: No
  • Includes Air Cleaner: No
  • Includes Distributor: No
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