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KB Performance Pistons KB132.020-1

Oldsmobile 455ci Hypereutectic Piston Step Dish Top

KB Performance Pistons KB132.020-1

648-KB132.020-1

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Estimated ship date 06/28/17 if Ordered Today
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KB Performance Pistons KB132.020-1 Oldsmobile 455ci Hypereutectic Piston Step Dish Top $75.99
Oldsmobile 455ci Hypereutectic Piston
  • Step Dish Top
  • 4.146'' Bore (+.020'')
  • Use w/6.735'' Connecting Rod & 4.250'' Crank Stroke
  • Comp. Ratio: 9.7/70cc; 9.3/75cc; 8.9/80cc
  • 1/pkg

  • KB Performance Pistons KB132.020-1 Details

    Oldsmobile 455ci

  • Dish Top Pistons
  • Technical Specs:
  • Alloy: Hypereutectic 390
  • Bore: 4.146''
  • Crankshaft Stroke: 4.250''
  • Connecting Rod Length: 6.735''
  • Deck Height: 10.625''
  • Compression Height: 1.750''
  • Pin Size: 0.9805''
  • Pin Location: Centered
  • Step Dish Top: -30cc
  • Intake Valve Relief: .070'' Depth / 2.000'' Diameter
  • Exhaust Valve Relief: .070'' Depth / 2.000'' Diameter
  • Top Landing Height: 0.300''
  • Ring Grooves: 5/64'' Top; 5/64'' Middle; 3/16'' Bottom
  • Gram Weight: 600/147
  • Compression Ratio: 9.7:1 w/70cc Heads; 9.3:1 w/75cc Heads; 8.9:1 w/80cc Heads

  • Specifications:

    Manufacturer's Part Number:
    KB132.020-1

    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

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