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United Engine Machine IC691.020

United Engine Machine ICON Premium Forged Ford Modular Stroker 4.9L 2/4V Piston Set 3.571" Bore

648-IC691.020

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Save $10 off $199, $45 off $499, $100 off $999. Promo Code: FALLFUN exclusions apply

$548.99
United Engine Machine ICON Premium Forged Ford Modular Stroker 4.9L 2/4V Piston Set 3.571" Bore $548.99
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Ford Modular Stroker 4.9L 2/4V Forged Pistons
  • 10.1cc Dish
  • 3.571" Bore (+.020")
  • C/R: 11.4/42cc; 10.0/51cc; 9.7/53cc
  • 8/pkg
  • United Engine Machine IC691.020 Details

    Ford Stroker 4.9L 2/4V

  • 10.1cc Spherical Dish Pistons
  • Technical Specs:
  • Alloy: Premium High Ductility 2618
  • Bore: 3.571" (3.5512" Standard Bore Dimension)
  • Crankshaft Stroke: N/A
  • Connecting Rod Length: N/A
  • Deck Height: 8.937" (4.6L)
  • Compression Height: 1.200"
  • Pin Size: 0.866" x 2.250"
  • Pin Location: N/A
  • Effective Head Volume: -10.1cc (Spherical Dish)
  • Intake Valve Relief: 0.000" Depth / 0.000" Diameter
  • Exhaust Valve Relief: 0.000" Depth / 0.000" Diameter
  • Top Landing Height: N/A
  • Ring Grooves: 1.5mm Top; 1.5mm Middle; 3.0mm Bottom
  • Gram Weight: 336/95 (Piston/Pin)
  • Compression Ratio: 11.4:1 w/42cc Heads; 10.0:1 w/51cc Heads; 9.7:1 w/53cc

  • Specifications:

    Manufacturer's Part Number:
    IC691.020

    United Engine and Machine Company is proud to offer the 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

    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

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    Tools:

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    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.