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Chevrolet Performance HT 502 Replacement Cylinder Head Round Intake Port

Chevrolet Performance 12562917

809-12562917

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Estimated to ship on 08/28/18
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Chevrolet Performance HT 502 Replacement Cylinder Head Round Intake Port $796.73
HT 502 Replacement Cylinder Head
  • Round Intake Port
  • 2.070 Intake Valve
  • 1.720 Exhaust Valve

  • Specifications:

    Manufacturer's Part Number:
    12562917

    The Chevrolet Performance service replacement cylinder heads are direct replacements on most 1990-and-later GM Big-Block 454-cubic-inch and 502-cubic-inch engines. These brand-new cylinder heads meet GM's stringent quality standards and provide excellent service and durability not found in used cylinder heads!

    Technical Notes:
  • Cast-Iron or Aluminum
  • 325cc Rectangular Intake Ports
  • 118cc combustion Chamber
  • Machined for 2.180"/1.880" (3/8" stems) Valves
  • Non-Adjustable Rocker Arm Design
  • Heat Risers
  • Will not work on Production Mark IV Blocks
  • Sold Individually

  • Some parts are not legal for use in California or other states with similar laws / regulations