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Chevrolet Performance 12371204 - Chevrolet Performance ZZ502ci/502HP Base Engine Kit

Chevrolet Performance 12371204 - Chevrolet Performance ZZ502ci/502HP Base Engine Kit

Chevrolet Performance#809-12371204

ZZ502 Base Engine
  • Short Block

    Chevrolet Performance 12371204 - Chevrolet Performance ZZ502ci/502HP Base Engine Kit 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
  • Valve Covers: 12495488

  • Chevrolet Performance 12371204 - Chevrolet Performance ZZ502ci/502HP Base Engine Kit

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    Chevrolet Performance Parts offers the entire ZZ502 engine as a kit, because nothing is quite as satisfying as building your own high-performance big block. Kit includes short block, aluminum oval-port heads, forged steel crank and rods and forged aluminum pistons. It also includes a hydraulic roller cam, valve train and valve covers. Every part is engineered to work together to deliver 502 horses and 567 pound-feet of torque!

    Specifications:
  • Bore x Stroke: 4.47 x 4.00
  • Block: Cast iron with 4-bolt main caps
  • Crankshaft: Forged steel
  • Connecting Rods: Forged steel
  • Pistons: Forged aluminum
  • Camshaft: Hydraulic roller
  • Camshaft Lift: 5.27 Intake/.544 Exhaust
  • Camshaft Duration @ .050": 224° Intake/234° Exhaust
  • Cylinder Heads: Aluminum oval port, 110cc chambers
  • Valve Size: 2.25 Intake/1.88 Exhaust
  • Compression Ratio: 9.6 to 1
  • Rocker Arms: Stamped Steel
  • Rocker Arm Ratio: 1.7 to 1
  • Recommended Fuel: 92 Octane
  • Ignition Timing: Base 8° BTDC, 30° total
  • Maximum Recommended RPM: 5800
  • Balance: External

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