GM Performance Parts ZZ502 Engines


GM Performance
GM Performance Parts ZZ502 Engines

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The Rat with 502 Horsepower and 567 ft/lbs of Torque

The king of all big block crate engines is the ZZ502. It's as close as you'll get to a custom-built 502 at a crate engine price. With heavy-duty components, the ZZ502's power and durability are ensured.

  • 502 HP @ 5200 RPM
  • 567 ft/lbs TQ @ 4200 RPM (Max Recommended RPM: 5800)
  • Compression Ratio: 9.6:1
  • Cast Iron 4-Bolt Main Block
  • 1053 Forged Steel Crankshaft
  • Forged Aluminum Pistons
  • 4340 Forged Steel Shot-Peened Connecting Rods with 7/16" Bolts
  • Aluminum Oval Port 110cc Cylinder Heads (2.25" Int/1.88" Exh valves)
  • Hydraulic Roller Cam (Lift: .527" Int/.544" Exh, Duration @ .050": 224° Int/234° Exh)
  • 1.7 Ratio Rocker Arms
  • Aluminum Dual Plane Intake Manifold
  • Holley 870 cfm Carburetor
  • HEI Distributor and Spark Plug Wires
  • 8" High-RPM Torsional Damper
  • Aluminum Water Pump
  • Lightweight Gear Reduction Starter
  • 14" Flexplate
  • Hardware and Gaskets
  • 6-quart oil pan
  • Windage tray
  • Recommended spark plug: Accel #111-114 or any spark plug with 14mm .750" reach, 13/16" hex, gasket seat, projected-tip

    GM Warranty



    		•

    		809-19201332
    		GM Performance Parts ZZ502 Engine
  • Fully assembled
    View this item
    Installation Instructions for GM Performance
    		• $8,479.99
    Ships
    02/17/12

    		809-12371171
    		GM Performance Parts ZZ502 Engine
  • Some assembly required
    View this item
    Installation Instructions for GM Performance
    		• $8,863.99
    Ships
    02/20/12