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Product Summary

Long Block Crate Engine Type, 390 horsepower Horsepower

  • Oil: Conventional / Non Synthetic 10W30 with Comp Cam zinc additive #159 for first 3000 miles
  • Oil Filter: Wix or K&N per application
  • Timing: 34-36 Degrees
See more details

Key Specs

Crate Engine TypeLong Block
Engine Displacement5.7 liters
Horsepower390 horsepower
Compression Ratio10.0:1
Camshaft TypeHydraulic Roller
See more specs

Need To Know

Truck Shipment

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

Quick and Easy Returns

Return Policy

ATK Engines HP89CBLK Details

Engine Specifications:

  • HP: 390
  • TQ: 420
  • Block: OE roller block 4 bolt main 1pc seal 1996-2000
  • Bore/Stroke: 4.040” x 3.480”
  • Displacement: 350CI
  • Crankshaft: OE Reground external balance rear of the crank/internal balance front of the crank
  • Rods: OE powder metal 5.7”
  • Pistons: Hypereutectic 10:1 Compression
  • Rings: Moly
  • Camshaft: Hyd. Roller
  • Cam Specs: 220/224 @50 .528in/.536ex 110LSA
  • Timing Chain: Double Roller
  • Cylinder Heads: ATK High Performance aluminum with 2.020 in. /1.600 ex. valves
  • Rocker Arms: Billet aluminum roller rockers 1.6 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
  • Valve Covers: Cast aluminum powder coated black “Chevrolet: embossed with match PCV valve and push in breather
  • Flexplate/Flywheel: Externally Balanced – Pioneer #FRA-159
  • Air Cleaner: 14”x 3” Super Flow air cleaner system with washable filter (drop base lower)
  • Balancer: Internally Balanced – PowerBond #PB1046-N
  • Intake Manifold: ATK dual plane intake
  • Distributor: Black HEI (Iron Gear)
  • Water Pump: OE long pump
  • Thermostat Housing: Chrome with a 180 degree thermostat
  • Carburetor: Quick Fuel 680CFM Vacuum secondary’s electric choke #HR-680
  • Fuel Pump: Holley mechanical 110GPH #12-327-11
  • Fuel Line: Dual inlet AN Stainless Hose from pump to carb
  • 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: 18436572
  • Octane: 91+
  • Stall Converter: 2200-2800
  • 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

    ATK Engines HP89CBLK Specifications

    KEY SPECS
    MFG. Part #HP89CBLK
    BrandATK Engines
    Crate Engine TypeLong Block
    Engine Displacement5.7 liters
    Horsepower390 horsepower
    Compression Ratio10.0:1
    Camshaft TypeHydraulic Roller
    Cylinder Head MaterialAluminum
    Camshaft Duration (.050 in)220° intake / 224 ° exhaust
    Camshaft Lift (in).528 intake / .536 exhaust
    Bore x Stroke (in)4.040" x 3.480"
    Carburetor IncludedYes
    Intake Manifold IncludedYes
    Distributor IncludedYes
    Valve Covers IncludedYes
    Engine BalanceInternal/External
    Cylinder Heads IncludedYes
    Rear Main Seal Style1-piece
    Throttle Body IncludedNo
    Oil Pan IncludedYes
    Timing Cover IncludedYes
    Water Pump IncludedYes
    Harmonic Balancer IncludedYes
    Flexplate IncludedNo
    Flywheel IncludedNo
    Air Cleaner IncludedYes
    Spark Plugs IncludedYes
    Spark Plug Wires IncludedYes
    Computer IncludedNo
    Wiring Harness IncludedNo
    GENERAL
    AssembledYes
    Material TypeCast Iron
    GTIN Code00653517724770
    NotesFeatures black valve covers, PCV valve, breather, and air cleaner assembly with washable/reusable filter.
    Sold in QuantityEach
    Water Pump StyleLong
    Crate Engine FamilyChevy Small Block
    Supercharger IncludedNo

    Fitment

    • Gen 1 L05 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L83 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L98 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 2 LT1 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 2 LT1 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • 2-Piece Rear Main Chevy 350

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • Gen 1 L48 Small Block Chevy

    • Gen 1 L65 Small Block Chevy

    • Gen 1 L81 Small Block Chevy

    • Gen 1 L82 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • Gen 1 LM1 Small Block Chevy

    • Gen 1 L46 Small Block Chevy

    • 350 Chevy Small Block V8

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • 350 Chevy Small Block V8

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • 350 Chevy Small Block V8

    • Gen 1 L05 Small Block Chevy

    • Gen 1 L98 Small Block Chevy

    • 350 Chevy Small Block V8

    Customer Impersonation Script