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KB Performance Pistons KB237.040

Chrysler 440ci Hypereutectic Pistons Flat Top

KB Performance Pistons KB237.040
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648-KB237.040

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Estimated ship date 04/26/17 if Ordered Today
KB Performance Pistons KB237.040 Chrysler 440ci Hypereutectic Pistons Flat Top $459.99
Chrysler 440ci Hypereutectic Pistons
  • Flat Top
  • 4.360'' Bore (+.040'')
  • Use w/6.768'' Connecting Rod & 3.750'' Crank Stroke
  • Comp. Ratio: 11.5/72cc; 10.6/80cc; 10.2/85cc; 9.7/90cc
  • 8/pkg

  • KB Performance Pistons KB237.040 Details

    Chrysler 440ci

  • Flat Top Pistons
  • Notes:
  • Zero deck clearance Technical Specs:
  • Alloy: Hypereutectic 390
  • Bore: 4.360''
  • Crankshaft Stroke: 3.750''
  • Connecting Rod Length: 6.768''
  • Deck Height: 10.725''
  • Compression Height: 2.067''
  • Pin Size: 1.094''
  • Pin Location: Centered
  • Flat Top: -5cc 2V Relief
  • Intake Valve Relief: 0.264'' Depth / 2.360'' Diameter
  • Exhaust Valve Relief: 0.264'' Depth / 2.360'' Diameter
  • Top Landing Height: 0.275''
  • Ring Grooves: 5/64'' Top; 5/64'' Middle; 3/16'' Bottom
  • Gram Weight: 770/190
  • Compression Ratio: 11.5:1 w/72cc Heads; 10.6:1 w/80cc Heads; 10.2:1 w/85cc Heads; 9.7:1 w/90cc Heads

  • Specifications:

    Manufacturer's Part Number:
    KB237.040

    100% CNC Machined Pistons

    New high silicon alloys and diamond tooling have give Silv-O-Lite designers the material and equipment for performance breakthroughs in engine design. Silv-O-Lite 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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