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Chevrolet Performance Big Block Chevy Cast Iron Service Replacement Cylinder Heads


Chevrolet Performance
Chevrolet Performance Big Block Chevy Cast Iron Service Replacement Cylinder Heads

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
  • 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


  • 4 Products
    Big Block Chevrolet Service Replacement Head

    809-12562925
    Gen V & Gen VI Service Replacement Head
  • Bare Head
  • 7/16'' Accessory Bolt Holes
  • $535.99
    Order Today Ships 08/28/14

    809-12562926
    Gen V & Gen VI Service Replacement Head
  • Bare Head
  • 3/8'' Accessory Bolt Holes
  • $720.99
    Order Today Ships 08/28/14

    809-12562920
    Gen V & VI Service Replacement Head
  • Complete Assembly
  • 7/16'' Accessory Bolt Holes
  • $747.99
    Order Today Ships 08/28/14

    809-12562917
    HT 502 Replacement Cylinder Head
  • Round Intake Port
  • 2.070 Intake Valve
  • 1.720 Exhaust Valve
  • $898.99
    Order Today Ships 08/28/14

    4 Products