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United Engine Machine Chevy 383ci Hypereutectic Pistons Dish Top

United Engine Machine KB164.STD

648-KB164.STD

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Estimated to ship directly from the manufacturer on 07/23/18
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United Engine Machine Chevy 383ci Hypereutectic Pistons Dish Top $382.99
Chevy 383ci Hypereutectic Pistons
  • Dish Top
  • 4.000'' Bore (Standard)
  • Use w/6.000'' Connecting Rod & 3.750'' Crank Stroke
  • Comp. Ratio: 10.2/58cc; 9.8/62cc; 9.7/64cc; 8.6/76cc
  • 8/pkg

  • United Engine Machine KB164.STD Details

    Chevy 383ci

  • Dish Top Pistons
  • Use w/6.000'' Connecting Rods
  • Use with Chevy 350ci Block and 400ci Crankshaft
  • Technical Specs:

    • Alloy: Hypereutectic 390
    • Bore: 4.000''
    • Crankshaft Stroke: 3.750''
    • Connecting Rod Length: 6.000''
    • Deck Height: 9.025''
    • Compression Height: 1.130''
    • Pin Size: 0.9272''
    • Pin Location: Centered
    • Dish D-Dup: -19cc 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: 0.265''
    • Ring Grooves: 1/16'' Top; 1/16'' Middle; 3/16'' Bottom
    • Gram Weight: 411/107
    • Compression Ratio: 10.2:1 w/58cc Heads; 9.8:1 w/62cc Heads; 8.6:1 w/64cc; 8.7:1 w/76cc Heads
    • Use with 350ci block and 400ci crankshaft. This is a stroked 350ci chevy combination.

    Specifications:

    Manufacturer's Part Number:
    KB164.STD

    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

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