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Chevrolet Performance Big Block Chevy Service Replacement Cylinder Heads


Chevrolet Performance
Chevrolet Performance Big Block Chevy 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 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


  • 5 Products

    Big Block Chevrolet Service Replacement Head

    Chevrolet Performance 12562917 - Chevrolet Performance Big Block Chevy Service Replacement Cylinder Heads
    809-12562917
    HT 502 Replacement Cylinder Head
  • Round Intake Port
  • 2.070 Intake Valve
  • 1.720 Exhaust Valve
  • FREE
    SHIPPING
    & HANDLING!
    $850.99
    Order Today Ships 06/03/16
    Chevrolet Performance 12562920 - Chevrolet Performance Big Block Chevy Service Replacement Cylinder Heads
    809-12562920
    Gen V & VI Service Replacement Head
  • Complete Assembly
  • 7/16'' Accessory Bolt Holes
  • FREE
    SHIPPING
    & HANDLING!
    $685.99
    Order Today Ships 06/03/16
    Chevrolet Performance 12562925 - Chevrolet Performance Big Block Chevy Service Replacement Cylinder Heads
    809-12562925
    Gen V & Gen VI Service Replacement Head
  • Bare Head
  • 7/16'' Accessory Bolt Holes
  • FREE
    SHIPPING
    & HANDLING!
    $541.99
    Order Today Ships 06/03/16
    Chevrolet Performance 12562926 - Chevrolet Performance Big Block Chevy Service Replacement Cylinder Heads
    809-12562926
    Gen V & Gen VI Service Replacement Head
  • Bare Head
  • 3/8'' Accessory Bolt Holes
  • FREE
    SHIPPING
    & HANDLING!
    $574.99
    Order Today Ships 06/03/16
    Chevrolet Performance 10093386 - Chevrolet Performance Big Block Chevy Service Replacement Cylinder Heads
    809-10093386
    Aluminum Service Replacement Head
  • 1965-90 Mark IV Blocks
  • Fully Machined
  • 15° Valve Angles
  • Spread Port Intake Runners
  • Small Port
  • FREE
    SHIPPING
    & HANDLING!
    $1,422.99
    Order Today Ships 06/03/16

    5 Products