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Chevrolet Performance 19166393 - Chevrolet Performance ZZ427ci/480HP Engine

Chevrolet Performance 19166393 - Chevrolet Performance ZZ427ci/480HP Engine

Chevrolet Performance#809-19166393

Chevrolet ZZ427 Crate Engine
  • 480 Horse Power @ 5800 RPM
  • 490 Foot/Pounds of Torque @ 3800 RPM
  • Not for Marine Use

    Chevrolet Performance 19166393 - Chevrolet Performance ZZ427ci/480HP Engine Details

    Chevrolet ZZ427

    Install Notes:
  • Due to crate fitment, the carburetor is shipped in a separate box and needs to be installed by an engine installer
  • Requires addition of starter and fuel pump (not included)
  • Clutch linkage bosses are drilled and tapped
  • When using cast-iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads for clearance
  • Designed for pre-1976 street vehicles or any off-road vehicle

  • Chevrolet Performance 19166393 - Chevrolet Performance ZZ427ci/480HP Engine

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    The Chevrolet Performance ZZ 427 conjures thoughts of greatness like the legendary Chevy big block 427. It powered some of the most storied cars in high-performance history. The ZZ427 crate engine maintains the good, original characteristics while adding modern touches: updated 4-bolt main cast iron block, forged internal rotating assembly, 10.1:1 compression ratio and aggressive hydraulic roller cam. The engine's top half is the same as the Limited Edition Anniversary 427; the intake is a matching high-flow oval port aluminum piece. With 490 ft/lbs torque and a conservative 480 HP rating, this is still one of the best crate engines for nearly any big block application!

    Specifications:
  • Bore x Stroke: 4.25" x 3.75"
  • Block: One-Piece Rear Main Seal Cast iron with 4-bolt main caps
  • Crankshaft & Connecting Rods: Forged Steel
  • Pistons: Forged Aluminum
  • Camshaft: Hydraulic Roller
  • Valve Lift: .527 Intake/.544 Exhaust
  • Camshaft Duration @ .050": 224-deg Intake/234-deg Exhaust
  • Cylinder Heads: Aluminum oval port, 110cc chambers
  • Valve Size: 2.19 Intake/1.88 Exhaust
  • Compression Ratio: 10.1 to 1
  • Rocker Arms: Aluminum Roller, 1.7 to 1 ratio
  • Distributor: HEI
  • Carburetor: 770 cfm
  • Water Pump: Short Aluminum
  • Harmonic Balancer: 8" Diameter
  • Spark Plugs & Wires: Included
  • Flexplate: 14"
  • Ignition Timing: Base 10 deg BTDC, Total 36 deg
  • Maximum Recommended RPM: 6400
  • Balanced: Internally
  • Recommended Fuel: 92 Octane

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