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KB Performance Pistons KB119.030 - KB Signature Series Hypereutectic Small Block Chevy Pistons

KB Performance Pistons KB119.030 - KB Signature Series Hypereutectic Small Block Chevy Pistons
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KB Performance Pistons#648-KB119.030

Chevy 350ci Hypereutectic Pistons
  • Solid Dome .100''
  • 4.030'' Bore (+.030'')
  • Use w/5.700'' Connecting Rod & 3.480'' Crank Stroke
  • Comp. Ratio: 12.0/58cc; 11.4/62cc; 11.1/64cc; 9.7/76cc
  • 8/pkg
    • Fits Applications:
    • 1969-1972
      CHEVROLET
      1980-1985
      CHEVROLET
      1980-1985
      GMC
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    KB Performance Pistons KB119.030 - KB Signature Series Hypereutectic Small Block Chevy Pistons Details

    Chevy 350ci

  • Dome Top Pistons
  • Use w/5.700'' Connecting Rods

    Technical Specs:
  • Alloy: Hypereutectic 390
  • Bore: 4.030''
  • Crankshaft Stroke: 3.480''
  • Connecting Rod Length: 5.700''
  • Deck Height: 9.025''
  • Compression Height: 1.561''
  • Pin Size: 0.9272''
  • Pin Location: Centered
  • Solid Dome Top: .100'' -.5cc 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: 553/145
  • Compression Ratio: 12.0:1 w/58cc Heads; 11.4:1 w/62cc Heads; 11.1:1 w/64cc; 9.7:1 w/76cc Heads

  • KB Performance Pistons KB119.030 - KB Signature Series Hypereutectic Small Block Chevy Pistons

    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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