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KB Performance Pistons IC787.030

Chevy 489ci Forged Pistons Solid Dome Top .130"

KB Performance Pistons IC787.030

648-IC787.030

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Ships 12/12/16 if Ordered Today
KB Performance Pistons IC787.030 Chevy 489ci Forged Pistons Solid Dome Top .130" $681.60
Chevy 489ci Forged Pistons
  • Solid Dome Top .130''
  • 4.280'' Bore (+.030'')
  • Use w/6.385'' Connecting Rod & 4.250'' Crank Stroke
  • Comp. Ratio: 11.7/96.5cc; 9.9/108cc; 9.6/119cc
  • 8/pkg

  • KB Performance Pistons IC787.030 Details

    Chevy 489ci

  • Dome Top Pistons
  • Use w/6.385'' Connecting Rods
  • Use with Chevy 454ci Block
  • Technical Specs:
  • Alloy: Premium High Ductility 2618
  • Bore: 4.280''
  • Crankshaft Stroke: 4.250''
  • Connecting Rod Length: 6.385''
  • Deck Height: 9.800''
  • Compression Height: 1.270''
  • Pin Size: 0.990'' x 2.750''
  • Pin Location: Centered
  • Solid Dome Top: .130'' 12cc 1 Valve Relief (Closed Chamber Head)
  • Intake Valve Relief: 0.286'' Depth / 2.300'' Diameter
  • Exhaust Valve Relief: N/A
  • Top Landing Height: 0.336''
  • Ring Grooves: 1/16'' Top; 1/16'' Middle; 3/16'' Bottom
  • Gram Weight: 566/141
  • Compression Ratio: 11.7:1 w/96.5cc Heads; 9.9:1 w/108cc Heads; 9.6:1 w/119cc
  • Designed for O.E. and Edelbrock style cylinder heads.

  • Specifications:

    Manufacturer's Part Number:
    IC787.030

    United Engine and Machine Company is proud to introduce our new Icon line of forged pistons. Icon brings the same quality and performance you've come to expect from other United Engine brands while adding a new lightweight forged design. No matter your high performance application, there is an Icon piston for you.

    Features:
  • High ductility 2618 alloy
  • Perfect for Nitrous, Turbocharged and Supercharged Apps
  • Dual forced pin oiling on most applications
  • Lateral gas porting on higher compression ratios
  • Fully machined with deep valve pockets
  • Second land accumulator grooves
  • Top land mini groove technology
  • Diamond finished skirts
  • Triple wound spiral locks
  • Spacer rings included in short compression heights that intersect the wrist pin bore
  • Sold in Sets (except when noted as 1 piston per package)


    Click here for reference guide to piston top designs

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