$275 Shipping

ATK HP33M Chevy 383 Vortec Stroker Mid Dress Engine 390HP

$275 Shipping

ATK HP33M Chevy 383 Vortec Stroker Mid Dress Engine 390HP
ATK Engines

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#35020152

ATK HP33M Chevy 383 Vortec Stroker Mid Dress Engine 390HP

  • Oil: Conventional / Non Synthetic 10W30
  • Oil Filter: Wix or K&N
  • Timing: Set to factory specifications via PCM module (ECM TUNING REQUIRED).
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Level Of Dress:

#2 Mid Dress

#1 Base Engine#3 Complete Dress

$5,609.00

/each

Factory Shipped


Quantity

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Product Summary

Long Block Crate Engine Type, 9.5:1 Compression Ratio

  • Oil: Conventional / Non Synthetic 10W30
  • Oil Filter: Wix or K&N
  • Timing: Set to factory specifications via PCM module (ECM TUNING REQUIRED).
See more details

Key Specs

Crate Engine TypeLong Block
Compression Ratio9.5:1
Engine Displacement383 cu. in.
Camshaft TypeHydraulic Roller
Cylinder Head MaterialCast Iron
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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 HP33M Details

Engine Specifications:

  • HP: 390
  • TQ: 460
  • Block: OE roller block 4 bolt main 1pc seal 1996-2000
  • Bore/Stroke: 4.040” x 3.750”
  • Displacement: 383CI
  • Crankshaft: Scat Nodular Iron external balance rear of crank/internal balance front of the crank
  • Rods: Scat I Beam 5.7” Rods with ARP 8740 Bolts
  • Pistons: Hypereutectic 9.5:1 compression
  • Rings: Moly
  • Camshaft: Hyd. roller
  • Cam Specs: 220/224 @50 .495in/.502ex 110LSA
  • Timing Chain: Double roller
  • Cylinder Heads: Dart vortec cast iron 67cc/165cc 2.02/1.60
  • Rocker Arms: Stamped steel 1.5 ratio
  • Oil Pan: Rear sump 5qt (not for Chevelles with steering behind crossmember, some corvettes and 62-67 chevy II’s)
  • Oil Pump: Melling STD volume
  • Balancer: Internally balanced – PowerBond #PB1046-N
  • Flexplate/Flywheel: Externally balanced – Pioneer #FRA-159 (with scat kit)
  • Intake Manifold: ATK HP dual plane
  • Distributor: HEI (Iron Gear)
  • Water Pump: OE long pump

    • Recommended Components:

  • Carburetor: Quick Fuel 680CFM Vacuum secondary’s electric choke #HR-680
  • Fuel Pump: Holley mechanical 110GPH #12-327-11
  • Spark Plugs: Autolite #605
  • 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: 18436572
  • Octane: 91+
  • Stall Converter: Stock
  • Exhaust: 1 5/8 Headers

    • 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 HP33M Specifications

    KEY SPECS
    MFG. Part #HP33M
    BrandATK Engines
    Crate Engine TypeLong Block
    Compression Ratio9.5:1
    Engine Displacement383 cu. in.
    Camshaft TypeHydraulic Roller
    Cylinder Head MaterialCast Iron
    Piston MaterialHypereutectic Aluminum
    Carburetor IncludedNo
    Intake Manifold IncludedYes
    Distributor IncludedNo
    Valve Covers IncludedYes
    Cylinder Heads IncludedYes
    Throttle Body IncludedNo
    Timing Cover IncludedYes
    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
    Camshaft Duration (.050 in)220° intake / 224° exhaust
    Camshaft Lift (in).495 intake / .502 exhaust
    Bore x Stroke (in)4.040" x 3.750"
    Material TypeCast Iron
    GTIN Code00653517260001
    Sold in QuantityEach

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