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Chevrolet Performance Small Block Chevy Fast Burn Aluminum Cylinder Head

Chevrolet Performance
Chevrolet Performance Small Block Chevy Fast Burn Aluminum Cylinder Head

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This Chevrolet Performance Small Block Chevy "Fast Burn" Aluminum Cylinder Head has the highest performance potential of any 23° small block head developed by Chevrolet using flat top pistons. It adds 30 bolt-on horsepower when used on the Chevy ZZ4 crate engine. 62cc fast burn combustion chambers produce higher cylinder pressures by burning more of the available fuel before the piston starts its power stroke downward. Head surfaces and rocker rails are CNC-machined to exact tolerances, thus eliminating the need for blueprinting. D-shaped ports and runners require no additional porting (but can be for all-out racing applications). This cylinder head fits 1958-Present small block Chevy 283-400 engines with a conventional water flow design (cannot be used on LT1, LT4, or LS1 engine with reverse water flow). The cylinder head is completely assembled with valves, springs, retainers, and 3/8'' rocker studs that require the use of self-aligning rocker arms.

  • Aluminum Construction
  • Intake Runner: 210cc Port raised .240''
  • Exhaust Runner: 78cc ''D'' Port raised .200''
  • Combustion Chamber Volume: 62cc
  • Deck: .400'' thick (Can be milled)
  • Valve Diameter: 2.00'' Intake, 1.55'' Exhaust
  • Valve Spring Seat: 1.48''
  • Valve Springs: .530'' Maximum Valve Lift
  • Rocker Studs: 3/8'' Top, 7/16'' Bottom
  • Spark Plugs: Angled, 5/8'' Hex, 3/4'' Reach, Tapered Seat
  • Dual Intake Bolt Pattern for Vortec (recommended) and Early Intakes
  • Dual Valve Cover Bolt Pattern for Perimeter or Centerbolt

    JEGS Easy Kits are designed by JEGS professionals to ensure that you get all the correct parts you need.

  • 2 Products

    "Fast Burn" Aluminum Cylinder Heads

    Small Block Chevy Fast Burn Aluminum Cylinder Head
  • 210cc Intake Ports
  • 62cc Combustion Chambers
  • Valves: 2.000'' Intake/1.550'' Exhaust
  • Assembled
  • Sold Individually
  • FREE

    Small Block Chevy Fast Burn Aluminum Cylinder Head Kit
  • Fast Burn 210cc Aluminum Cylinder Heads
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  • FREE
    Easy Kits

    2 Products