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KB Performance Pistons KB136.040

Ford 351W Hypereutectic Pistons Solid Dome .150"

KB Performance Pistons KB136.040
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648-KB136.040

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Ships 12/13/16 if Ordered Today
KB Performance Pistons KB136.040 Ford 351W Hypereutectic Pistons Solid Dome .150" $323.60
Ford 351W Hypereutectic Pistons
  • Solid Dome .150''
  • 4.040'' Bore (+.040'')
  • Use w/5.956'' Connecting Rod & 3.500'' Crank Stroke
  • Comp. Ratio: 12.7/55cc; 11.9/60cc; 11.3/64cc; 10.6/69cc
  • 8/pkg

  • KB Performance Pistons KB136.040 Details

    Ford 351W

  • Dome Top Pistons
  • Technical Specs:
  • Alloy: Hypereutectic 390
  • Bore: 4.040''
  • Crankshaft Stroke: 3.500''
  • Connecting Rod Length: 5.956''
  • Deck Height: 9.500''
  • Compression Height: 1.774''
  • Pin Size: 0.9122''
  • Pin Location: Centered
  • Dome Top: .150'' -1cc 2V Relief
  • Intake Valve Relief: 0.257'' Depth / 2.120'' Diameter
  • Exhaust Valve Relief: 0.247'' Depth / 1.880'' Diameter
  • Top Landing Height: 0.275''
  • Ring Grooves: 1/16'' Top; 1/16'' Middle; 3/16'' Bottom
  • Gram Weight: 666/143
  • Compression Ratio: 12.7:1 w/55cc Heads; 11.9:1 w/60cc Heads; 11.3:1 w/64cc; 10.6:1 w/69cc Heads
  • For 1971-up blocks. Pre-1971 blocks .020'' shorter, not enough stock to clean up.

  • Specifications:

    Manufacturer's Part Number:
    KB136.040

    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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