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Racing Valve Spring Kit - For 01-08 Yamaha YFM660 YXR660

Retail Price: $177.95
You save: $24.96  (14%)
Our Price: $152.99

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Details

  • Model: 80-80030
  • Shipping Weight: 0.6lbs
  • 2 Units in Stock
  • Manufactured by: KIBBLEWHITE

Description

For 01-08 Yamaha YFM660 YXR660

    • 80 Lbs of Seat Pressure / 205 Lbs @ 0.435" Lift (Max)
    • Spring kit is designed for compatibility with the OEM integrated Seal/Base (OE# 3610212) where applicable
    • Lightweight heat treated Steel Retainer and Beehive Spring reduce reciprocating mass while providing the spring forces required by high performance boosted racing applications.
    KPMI valve springs are wound from Premium Kobe Super-Clean Chrome Silicon Wire. KPMI valve springs are heat-treated, stress relieved, and shot peened to insure maximum performance and life. Springs are engineered for each specific application using proprietary advanced spring design simulation, and analysis software. Engineers pay special attention to cam and spring harmonics, stress, mass, and operating rpm.

    This part fits the following

    TypeMakeModelYearEngineLocationRequiredNotes
    ATV / SxSYamahaYFM660 Grizzly20026601
    ATV / SxSYamahaYFM660 Grizzly20036601
    ATV / SxSYamahaYFM660 Grizzly Auto 4x420046601
    ATV / SxSYamahaYFM660 Grizzly Auto 4x420056601
    ATV / SxSYamahaYFM660 Grizzly Auto 4x420066601
    ATV / SxSYamahaYFM660 Grizzly Auto 4x420076601
    ATV / SxSYamahaYFM660 Grizzly Auto 4x420086601
    ATV / SxSYamahaYFM660R Raptor20016601
    ATV / SxSYamahaYFM660R Raptor20026601
    ATV / SxSYamahaYFM660R Raptor20036601
    ATV / SxSYamahaYFM660R Raptor20046601
    ATV / SxSYamahaYFM660R Raptor20056601
    ATV / SxSYamahaYXR660 Rhino20046601
    ATV / SxSYamahaYXR660 Rhino20056601
    ATV / SxSYamahaYXR660 Rhino20066601
    ATV / SxSYamahaYXR660 Rhino20076601


    This product was added to our catalog on Friday 23 August, 2019.

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