$275 Shipping

ATK HP78M Ford 302 Mid Dress Engine 365HP Front Sump Oil Pan

$275 Shipping

ATK HP78M Ford 302 Mid Dress Engine 365HP Front Sump Oil Pan
ATK Engines

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#35020207

ATK HP78M Ford 302 Mid Dress Engine 365HP Front Sump Oil Pan

  • Ford 302-based mid-dress stroker making 375 HP
  • Features front-sump pan and forged bottom end for durability
  • Aluminum heads and hydraulic roller cam enhance performance
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Level Of Dress:

#1 Mid Dress

#2 Complete Dress - Carburetor#2 Complete Dress - EFI

$6,417.00

/each

Factory Shipped


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Product Summary

Long Block Crate Engine Type, 9.5:1 Compression Ratio

  • Ford 302-based mid-dress stroker making 375 HP
  • Features front-sump pan and forged bottom end for durability
  • Aluminum heads and hydraulic roller cam enhance performance
  • Mid-dress configuration ideal for custom installs
  • Dyno-proven output with ATK’s limited warranty included
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Key Specs

Crate Engine TypeLong Block
Compression Ratio9.5:1
Engine Displacement289 cu. in.
Camshaft TypeHydraulic Roller
Cylinder Head MaterialAluminum
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Need To Know

Made to Order

This custom item will ship when completed

Truck Shipment

Truck shipments must be pre-paid with a credit card, certified check or money order

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ATK Engines HP78M Details

Engine Specifications:

  • HP: 375
  • TQ: 380
  • Block: Seasoned OE Roller Block 1987-1995
  • Bore/Stroke: 4.040 x 3.000
  • Displacement: 302CI
  • Crankshaft: OE 1 piece seal external balance 50oz
  • Rods: OE
  • Pistons: Hypereutectic 9.5:1 compression
  • Rings: Moly
  • Camshaft: Hyd. Roller
  • Cam Specs: 220/224 @50 .512in/.512ex 112LSA
  • Timing Chain: Double roller
  • Cylinder Heads: Dart aluminum 58cc/170cc 2.02/1.60
  • Rocker Arms: Aluminum 1.6 roller rockers
  • Oil Pan: Front sump
  • Oil Pump: Melling high volume
  • Balancer: External balance 50oz
  • Flexplate/Flywheel: TCI external balance 50oz 157 tooth #529610
  • Intake Manifold: Edelbrock performer RPM dual plane #7121
  • Distributor: Pro Billet (upgraded melonite gear)
  • Water Pump: Early RH inlet standard rotation

    Recommended Components:

  • Carburetor: Quick Fuel 680CFM vacuum secondary’s electric choke #HR-680cfm
  • Fuel Pump: Holley Mechanical 110GPH #12-289-11
  • Spark Plugs: Autolite #3923
  • Spark Plug Wires: 8mm

    Engine Info:

  • Oil: Conventional / Non Synthetic 10W30
  • Oil Filter: Wix or K and N
  • Timing: 34-36 Degrees
  • Spark Plug Gap: .035”
  • Firing Order: 13726548
  • Octane: 91+
  • Stall Converter: 2400-2800
  • Exhaust: 1 5/8

    Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. It is the customer’s responsibility to verify components will work in their application. Some modifications to the vehicle may be required using these and or other aftermarket parts. ATK reserves the right to substitute parts used in engines if necessary.

    • CARB Warning

    Follow EPA, CARB, and state regulations for engine changes

    Emissions warning: this part is for vehicle engine changes, not direct oem engine replacements. In California, engine changes are legal when done in compliance with California bureau of automotive repairs (bar) engine change policy. For assistance, call bar referee at: (800) 622-7733. And see https://bar.Ca.Gov/consumer/smog_check_program/engine_changes. All customers must comply with federal epa mobile source enforcement memorandum no. 1a (and addendum) and all applicable state regulations when conducting engine changes. Improper installation and/or use of this part in California may subject the installer and/or owner to a $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and laws of all states for use of this engine change part on makes or models of vehicles that render them noncompliant with applicable state and/or federal emission laws with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine
    CA Prop 65
    CARB warning

    ATK Engines HP78M Specifications

    KEY SPECS
    MFG. Part #HP78M
    BrandATK Engines
    Crate Engine TypeLong Block
    Compression Ratio9.5:1
    Engine Displacement289 cu. in.
    Camshaft TypeHydraulic Roller
    Cylinder Head MaterialAluminum
    Piston MaterialHypereutectic Aluminum
    Carburetor IncludedNo
    Intake Manifold IncludedYes
    Distributor IncludedNo
    Valve Covers IncludedYes
    Cylinder Heads IncludedYes
    Throttle Body IncludedNo
    Timing Cover IncludedNo
    Oil Pan IncludedYes
    Water Pump IncludedYes
    Harmonic Balancer IncludedYes
    Flexplate IncludedNo
    Flywheel IncludedNo
    Air Cleaner IncludedNo
    Spark Plugs IncludedNo
    Spark Plug Wires IncludedNo
    Computer IncludedNo
    Wiring Harness IncludedNo
    GENERAL
    Combustion Chamber Volume58cc
    Material TypeIron
    GTIN Code00653517259715
    NotesEngine has front sump oil pan and includes 157 tooth 50 oz. external balance flexplate.
    Sold in QuantityEach

    Questions & Answers

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    Fitment

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