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United Engine Machine KB157.030

Chevy 327ci Hypereutectic Pistons Solid Dome .100"

United Engine Machine KB157.030
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648-KB157.030

United Engine Machine KB157.030 Chevy 327ci Hypereutectic Pistons Solid Dome .100" $309.99
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Estimated ship date 10/27/17 if Ordered Today
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Chevy 327ci Hypereutectic Pistons
  • Solid Dome .100''
  • 4.030'' Bore (+.030'')
  • Use w/5.700'' Connecting Rod & 3.250'' Crank Stroke
  • Comp. Ratio: 11.3/58cc; 10.7/62cc; 10.5/64cc; 9.1/76cc
  • 8/pkg

  • United Engine Machine KB157.030 Details

    Chevy 327ci

  • Dome Top Pistons
  • Technical Specs:
  • Alloy: Hypereutectic 390
  • Bore: 4.030''
  • Crankshaft Stroke: 3.250''
  • Connecting Rod Length: 5.700''
  • Deck Height: 9.025''
  • Compression Height: 1.678''
  • Pin Size: 0.9272''
  • Pin Location: Centered
  • Solid Dome Top: .100'' -.5cc 2 Symmetrical Valve Reliefs
  • Intake Valve Relief: 0.280'' Depth / 2.168'' Diameter
  • Exhaust Valve Relief: 0.280'' Depth / 2.168'' Diameter
  • Top Landing Height: 0.275''
  • Ring Grooves: 5/64'' Top; 5/64'' Middle; 3/16'' Bottom
  • Gram Weight: 585/145
  • Compression Ratio: 11.3:1 w/58cc Heads; 10.7:1 w/62cc Heads; 10.5:1 w/64cc; 9.1:1 w/76cc Heads

  • Specifications:

    Bore (in.)
    4.03
    Bore (mm)
    102.362
    Compression Distance (in.)
    1.678
    Dome Height (in.)
    0.1
    Pin Diameter (in.)
    0.927
    Piston Head Volume (cc)
    -0.5
    Piston Material
    Hypereutectic aluminum
    Piston Ring Thickness (in.)
    5/64 x 5/64 x 3/16
    Piston Style
    Dome, with two valve reliefs
    Quantity
    Sold as a set of 8
    Wrist Pin Style
    Press-fit or floating
    Manufacturer's Part Number:
    KB157.030

    100% CNC Machined Pistons

    New high silicon alloys and diamond tooling have give Keith Black designers the material and equipment for performance breakthroughs in engine design. KB piston are 100% CNC machined and T-6 heat treated from 16%-18% silcon Hypereutectic alloy. Features include drilled oil returns and pin oil supply, .072'' spiral wound retaining ring, 100% diamond turned, compensated high strength ring lands, high top ring location, 360° pressure pin oiling, diamond honed pin hole and lightweight rigid rib skirt design.

    Features:

    • 390 Hypereutectic alloy with 16% Silicon
    • Fully machined crowns and valve reliefs
    • Drilled oil drain backs
    • Full floating wrist pins
    • Triple wound spiral locks
    • Reflective alloy allows 2% power increase
    • Quench dome technology minimizes deterioration
    • Zero deck quench designs
    • Sold in Sets (except when noted as 1 piston per package)


      Click here for reference guide to piston top designs

    Does United Engine Machine KB157.030 fit your vehicle?

    Narrow Results

    1962-1965 CHEVROLET CORVETTE

    • Liter: 5.4
    • SubModel: BASE
    • CUI: 327
    • EngineType: V8 ( 5.4 L / 327 )
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