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Chevrolet Performance 12496963 - Chevrolet Performance ZZ502ci/502HP Base Engine

Chevrolet Performance 12496963 - Chevrolet Performance ZZ502ci/502HP Base Engine

Chevrolet Performance#809-12496963

ZZ502 Base Engine
  • Long Block

    Chevrolet Performance 12496963 - Chevrolet Performance ZZ502ci/502HP Base Engine Details

    ZZ502 Base Engine

    Chevrolet Performance Replacement Part Numbers
  • Block: 10237292
  • Crankshaft: 10183723
  • Connecting Rod: 10198922
  • Piston: 12533507
  • Piston Rings: 12524293
  • Camshaft: 12366543
  • Timing Chain: 3891519
  • Cylinder Heads: 12363390
  • Intake Valve: 12366987
  • Exhaust Valve: 12366988
  • Valve Spring: 12462970
  • Rocker Arm: 12368082

  • Chevrolet Performance 12496963 - Chevrolet Performance ZZ502ci/502HP Base Engine

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    The components of Chevrolet Performance's ZZ502 engine work together to deliver 502 horsepower at 5200 RPM and 567 ft/lbs torque at 4200 RPM. Choose between a short or long block. The short block allows the flexibility of building your own high-performance big block, and the long block provides the convenience of a preassembled engine.

    Specifications
  • Cast Iron Block with 4-Bolt Main Caps
  • 4.47" Bore x 4.00" Stroke
  • Forged Steel Crankshaft
  • Forged Aluminum Pistons
  • Forged Steel Connecting Rods
  • Compression Ratio: 9.6 to 1
  • Hydraulic Roller Camshaft
  • Camshaft Lift: .527" Intake, .544" Exhaust
  • Camshaft Duration at .050": 224° Intake, 234° Exhaust
  • Aluminum Cylinder Heads (Oval Port, 110cc Chambers)
  • Valve Size: 2.25" Intake, 1.88" Exhaust
  • Stamped Steel Rocker Arms (1.7 to 1 Ratio)
  • Ignition Timing: 8° BTDC (30° Total)
  • Maximum Recommended RPM: 5800
  • Recommended Fuel: 92 Octane
  • External Balance

    Technical Notes
  • The ZZ502 is not for marine applications.
  • For long blocks and partial engines with steel camshafts, a distributor with a melonized steel gear must be used or engine damage will occur. Distributor #809-93440806 is recommended.

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