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Piston (Single) - Cast

Part #: SEP WH859CP40
Line: Sealed Power Engine Parts
Piston (Single) - Cast
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Features & Benefits

Warranty: No Warranty, Expressed or Implied

(Single) Hypereutectic Piston

  • Speed-Pro Delivers The Power You Need And The Value & Quality That You Deserve. Whether You Are Running At The Track, Chasing Trophies On The Strip Or Just Cruising Down The Road, Count On Speed-Pro To Provide The Best Value In Hp Engine Components.
  • Exclusive Higher-Strength FM-425 Alloy With 16.5% Silicon Finely Dispersed Throughout The Material
  • Sophisticated in.Barrel in. Profiles Help Optimize Oil Wedge Between Skirt And Wall
  • Piston Skirts Protected By Next-Gen DUROSHIELD Coating
  • TAC Ring Groove Geometry
  • Weight Matched To +/- 2 Grams


Compression Distance 1.425 in.
Head Type Recessed Head .110 in. Deep x 2.750 in. Diameter With 2 Valve Reliefs. Duroshield Skirt Coated Piston
Pin Diameter (Inches) .9280 in.
Pin Diameter (mm) 23.571 mm
Ring 1 Qty 2
Ring 1 Width 5/64 in.
Ring 2 Qty 1
Ring 2 Width 3/16 in.
UNSPSC 26101736
VMRS Code 045006005

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