WISECO K631M87 Piston Kit K-Series 87mm 11.1:1 – ACTIVAOOO RACING
WISECO K631M87 Piston Kit  K-Series 87mm 11.1:1

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WISECO K631M87 Piston Kit K-Series 87mm 11.1:1


  • $650.99

  • 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.
    • Pro Tru Pistons Sport Compact Series Set of 4 Pistons Recommended
    • RingSet: 8700XX Rings & Pins Included
    • Part Number: K631M87



    Bore: 87mm
    Comp Height: 30
    Comp Ratio: 11.1:1
    Comp Ratio: 9.8:1
    Dome Volume: -3.4 FT
    Gram Weight: 336
    Gram Weight: 320
    Rod: 139
    Rod: 152
    Stroke: 86
    Stroke: 99


    Fitment Information

    Year Make Model Trim Engine
    2002-2006 Acura Rsx All K20A2/K20Z1
    2004-2008 Acura Tsx All All
    2003-2007 Honda Accord All K24A/K24A8
    2002-2006 Honda Cr-v All All
    2003-2011 Honda Element All All

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