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Chevrolet Performance 12568774

454 HO 454ci Engine 438 HP @ 5300 RPM

Chevrolet Performance 12568774

809-12568774

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Chevrolet Performance 12568774 454 HO 454ci Engine 438 HP @ 5300 RPM $5,955.86
454 HO 454ci Engine
  • 438 HP @ 5300 RPM
  • 500 ft/lbs TQ @ 3500 RPM

  • Chevrolet Performance 12568774 Details

    454 HO 454ci Engine

    INSTALLATION NOTES:
  • Requires addition of carburetor, starter, fuel pump, distributor and ignition system (not included)
  • Clutch linkage bosses are now drilled and tapped. When using cast-iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads, for clearance
  • Comes with an externally balanced 14'' automatic transmission flexplate; use flywheel P/N 809-14096987 and 11'' clutch assembly for manual transmission applications
  • Designed for pre-1976 street vehicles or any off-road vehicle
  • Not intended for marine applications
  • Motor equipped with truck style oil pan and pickup. Vehicle specific oil pan and pickup required for installation.

  • Specifications:

    Flywheel Included
    No
    Engine Balance
    External
    Wiring Harness Included
    No
    Air Cleaner Included
    No
    Assembled
    Yes
    Carburetor Included
    No
    Computer Included
    No
    Crate Engine Cylinder Head Material
    Cast iron
    Cylinder Heads Included
    Yes
    Distributor Included
    No
    Engine Assembly Style
    Long block
    Flexplate Included
    Yes
    Harmonic Balancer Included
    Yes
    Intake Manifold Included
    Yes
    Oil Pan Included
    Yes
    Quantity
    Sold individually
    Spark Plug Wires Included
    No
    Spark Plugs Included
    No
    Throttle Body Included
    No
    Timing Cover Included
    Yes
    Valve Covers Included
    Yes
    Water Pump Included
    Yes
    Rear Main Seal Style
    1-piece
    Manufacturer's Part Number:
    12568774

    Big Torque on a Budget

    Free Shipping!

    Chevrolet Performance's 454 HO crate engine is classic in its own time, offering enthusiasts an affordable Big-Block combination with performance specs that will make you think it's 1970 all over again - with 438 horsepower and 500 asphalt-wrinkling lb-ft of torque. The foundation of the 454 HO is a brand-new, updated cylinder block, which incorporates many strength and performance design enhancements - making it a smart and economical alternative to rebuilding. We also add an all-forged reciprocating assembly for maximum durability, a roller camshaft, and a set of rectangular-port iron cylinder heads. We deliver the 454 HO with a water pump, balancer, 14-inch flexplate, and aluminum intake manifold. Add a carburetor, ignition system, and starter and your budget Big-Block will be ready to roar.

    454 HO TECH SPECS:
  • Engine Type: Chevy Big-Block V-8
  • Displacement: 454ci
  • Bore x Stroke: 4.250'' x 4.000''
  • Block: Cast-iron with four-bolt main caps
  • Crankshaft: Forged steel
  • Connecting Rods: Forged steel
  • Pistons: Forged aluminum
  • Camshaft Type: Hydraulic roller
  • Camshaft Lift: .510'' intake / .540'' exhaust
  • Camshaft Duration (@.050 in.): 211° intake / 230° exhaust
  • Cylinder Heads: Iron rectangular port, 118cc combustion chambers
  • Valve Size: 2.190'' intake / 1.880'' exhaust
  • Compression Ratio: 8.75:1
  • Rocker Arms: Stamped steel
  • Rocker Arm Ratio: 1.7:1
  • Water Pump: Cast-iron, long-style
  • Flexplate: 14'' diameter
  • Recommended Fuel: Premium pump (92 octane)
  • Ignition Timing: 36° Total @ 4000 rpm
  • Maximum Recommended RPM: 5500
  • Balanced: External
  • Recommended Spark Plug: AC Delco #065-MR43T or any spark plug with 14mm, .460'' reach, 5/8'' hex, tapered seat, non-projected tip

    GM Warranty

    JEGS Easy Kits are designed by JEGS high performance racing professionals to help you get all the performance parts you need for your race car, hot rod or truck.

  • Does Chevrolet Performance 12568774 fit your vehicle?

    Narrow Results

    1971 CHEVROLET CHEVELLE

    • CC: 5031
    • Liter: 5.0
    • Aspiration: N
    • SubModel: NOMAD
    • Engine Vin: CA
    • CUI: 307
    • EngineType: V8 ( 5.0 L / 307 )

    1971 CHEVROLET CHEVELLE

    • CC: 7441
    • Liter: 7.4
    • SubModel: NOMAD
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1971 CHEVROLET CHEVELLE

    • CC: 5736
    • Liter: 5.7
    • SubModel: NOMAD
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1971 CHEVROLET CHEVELLE

    • CC: 4098
    • Liter: 4.1
    • SubModel: NOMAD
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )
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