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KB Performance Pistons IC744.040

ICON Premium Forged Small Block Chrysler 408ci Piston Set 4.040" Bore

KB Performance Pistons IC744.040
Includes $30 JEGS Gift Certificate to Use on Your Next JEGS Purchase!

648-IC744.040

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KB Performance Pistons IC744.040 ICON Premium Forged Small Block Chrysler 408ci Piston Set 4.040" Bore $626.72
Small Block Chrysler 360ci Forged Pistons
  • Flat Top 2V
  • 4.000" Bore (+.040")
  • 6.123" Connecting Rod
  • 4.000" Crank Stroke
  • 5cc Head Volume
  • Comp. Ratio: 12.4/60cc; 11.5/65cc; 11.0/70cc
  • 8/pkg

  • KB Performance Pistons IC744.040 Details

    Chrysler 408ci

  • Flat Top Pistons
  • Use w/6.123" Connecting Rods
  • Technical Specs:
  • Alloy: Premium High Ductility 2618
  • Bore: 4.040"
  • Crankshaft Stroke: 4.000"
  • Connecting Rod Length: 6.123"
  • Deck Height: 9.599''
  • Compression Height: 1.465''
  • Pin Size: 0.9842'' x 2.750"
  • Pin Location: Centered
  • Flat Top: 2 Valve Reliefs
  • Effective Head Volume: 5cc
  • Intake Valve Relief: 0.243'' Depth / 2.200'' Diameter
  • Exhaust Valve Relief: 0.232'' Depth / 1.720'' Diameter
  • Top Landing Height: 0.222''
  • Ring Grooves: 1/16'' Top; 1/16'' Middle; 3/16'' Bottom
  • Gram Weight: 507/118
  • Compression Ratio: 12.4:1 w/60cc Heads; 11.5:1 w/65cc Heads; 11.0 w/70cc

  • Specifications:

    Manufacturer's Part Number:
    IC744.040

    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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