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Part number: K557M87
Competitor Pricing
Product Details
Wiseco Pistons K557M87 Pistons
Products specifications
Bore 87mm
Bore (in) 3.425 in.
Bore (mm) 87.000mm
Comp Height 32
Comp Ratio 11.0:1
Compression Distance (in) 1.260 in.
Dome Volume 0 FT
File Fit No
Gapless No
Gram Weight 344
Oil Ring Material Stainless steel
Oil Ring Tension Standard
Oil Ring Thickness 2.8mm
Pin Diameter (in) 0.866 in.
Piston Material Forged aluminum
Piston Style Flat top, with no valve reliefs
Quantity Sold as a kit.
Rod 136.25
Second Ring Facing Material Phosphate coated
Second Ring Material Cast iron
Second Ring Thickness 1.2mm
Stroke 86
Top Ring Facing Material Gas nitrided
Top Ring Material Steel
Top Ring Thickness 1.0mm
Wrist Pin Style Press-fit or floating
Wiseco Pistons K557M87 Pro Tru Pistons
Sport Compact Series
Set of 4 Pistons
Recommended RingSet: 8700XX
Rings & Pins Included

World renowned for our work building race winning pistons, Wiseco utilizes experience from a diverse background of the most sophisticated sport compact engines.

Wiseco?s Sport Compact Pro Tru line creates the best value in forged pistons today. These American made pistons are forged and machined by skilled Ohio craftsmen with state-of-the-art forging presses and CNC machines. By using dedicated forgings specific to the final piston shape, Pro Tru pistons are stronger and lighter than industry standards.

Pro Tru sets include plasma moly 1/16, 1/16, 3/16 pre-gapped ring packages which provide excellent seal, friction reduction, and long life. Pro Tru pistons also come in a variety of volumes that allow the engine builder to choose the exact compression ratio required for their engine.

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Great price and easy to place order
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Availabilty and price is sufficient
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