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United Engine Machine Ford 302ci Hypereutectic Pistons Solid Dome .200"

United Engine Machine KB116.030
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United Engine Machine Ford 302ci Hypereutectic Pistons Solid Dome .200" $339.99
Ford 302ci Hypereutectic Pistons
  • Solid Dome .200''
  • 4.030'' Bore (+.030'')
  • Use w/5.090'' Connecting Rod & 3.000'' Crank Stroke
  • Comp. Ratio: 11.3/54cc; 10.5/58cc; 10.0/64cc; 9.4/69cc
  • 8/pkg

  • United Engine Machine KB116.030 Details

    Ford 302ci

  • Dome Top Pistons
  • Technical Specs:
  • Alloy: Hypereutectic 390
  • Bore: 4.030''
  • Crankshaft Stroke: 3.000''
  • Connecting Rod Length: 5.090''
  • Deck Height: 8.206''
  • Compression Height: 1.608''
  • Pin Size: 0.9122''
  • Pin Location: Centered
  • Dome: .200'' -2.6cc 2V Relief
  • Intake Valve Relief: 0.257'' Depth / 2.120'' Diameter
  • Exhaust Valve Relief: 0.254'' Depth / 1.880'' Diameter
  • Top Landing Height: 0.280''
  • Ring Grooves: 5/64'' Top; 5/64'' Middle; 3/16'' Bottom
  • Gram Weight: 600/143
  • Compression Ratio: 11.3:1 w/54cc Heads; 10.5:1 w/58cc Heads; 10.0:1 w/64cc Heads; 9.4:1 w/69cc Heads

  • Specifications:

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

    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.


    • 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

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