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United Engine Machine KB920.005

KB Forged Piston 1984-99 Evolution 80ci Dome

United Engine Machine KB920.005


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United Engine Machine KB920.005 KB Forged Piston 1984-99 Evolution 80ci Dome $188.50
KB Forged Piston
  • 1984-99 Evolution 80ci Dome
  • Head Volume: -8.5cc
  • Rod: 7.7440
  • 9.5:1 With 80cc Head

  • United Engine Machine KB920.005 Details


  • Bore: 3.498
  • Stroke: 4.250
  • Pin Diameter: 0.7920
  • Comp. Ht: 1.375
  • Weight Piston/Pin: 390/97
  • Ring Packs: 2-1/16, 1-3/16

  • Specifications:

    Manufacturer's Part Number:

    100% CNC Machined Pistons

    New high silicon alloys and diamond tooling have give designers the material and equipment for performance breakthroughs in engine design. Piston are 100% CNC machined 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.

  • Fully machined crowns and valve reliefs
  • Drilled oil drain backs
  • Full floating wrist pins
  • Triple wound spiral locks
  • 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

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