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United Engine Machine KB142.STD

Chevy 350ci Hypereutectic Pistons D-Cup 18cc 2V

United Engine Machine KB142.STD


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Estimated ship date 03/26/18 if Ordered Today
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United Engine Machine KB142.STD Chevy 350ci Hypereutectic Pistons D-Cup 18cc 2V $338.99
Chevy 350ci Hypereutectic Pistons
  • D-Cup 18cc 2V
  • 4.000'' Bore (Standard)
  • Use w/5.700'' Connecting Rod & 3.480'' Crank Stroke
  • Comp. Ratio: 9.4/58cc; 9.1/62cc; 8.9/64cc; 8.1/76cc

  • Specifications:

    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