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KB Performance Pistons KB120KTM.STD

Chevy 350ci Hypereutectic Pistons & Rings Flat Top

KB Performance Pistons KB120KTM.STD

648-KB120KTM.STD

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Estimated ship date 06/30/17 if Ordered Today
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KB Performance Pistons KB120KTM.STD Chevy 350ci Hypereutectic Pistons & Rings Flat Top $298.99
Chevy 350ci Hypereutectic Pistons & Rings
  • Flat Top
  • 4.000'' Bore (STD)
  • Use w/5.700'' Connecting Rod & 3.480'' Crank Stroke
  • Comp. Ratio: 10.9/58cc; 10.4/62cc; 10.2/64cc; 9.0/76cc
  • 8/pkg

  • KB Performance Pistons KB120KTM.STD Details

    Chevy 350ci

  • Flat Top Pistons
  • Use w/5.700'' Connecting Rods
  • Includes 648-4000AM8 ring set.

    Technical Specs:
  • Alloy: Hypereutectic 390
  • Bore: 4.000''
  • Crankshaft Stroke: 3.480''
  • Connecting Rod Length: 5.700''
  • Deck Height: 9.025''
  • Compression Height: 1.561''
  • Pin Size: 0.9272''
  • Pin Location: Centered
  • Flat Top: -7cc 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: 0.275''
  • Ring Grooves: 5/64'' Top; 5/64'' Middle; 3/16'' Bottom
  • Gram Weight: 535/145
  • Compression Ratio: 10.9:1 w/58cc Heads; 10.4:1 w/62cc Heads; 10.2:1 w/64cc; 9.0:1 w/76cc Heads

  • Specifications:

    Manufacturer's Part Number:
    KB120KTM.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

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