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WSM

WSM

WSM


WSM Performance Parts delivers premium aftermarket components to power your motorcycles, ATVs, PWCs, and jet skis. Renowned for precision and durability, WSM offers high-performance mufflers, impellers, brake pads, clutch switches, fork oil, and more, crafted to meet or exceed OEM standards. Riders Addiction proudly stocks WSM’s full lineup, If you don't see it listed- contact us for pricing!

Why WSM? Every part is engineered for superior fitment, reliability, and performance, ensuring your ride runs at its best. From upgrading your motorcycle exhaust to optimizing your PWC impeller, WSM brings innovation and value. Shop WSM Performance Parts at Riders Addiction today and elevate your ride with parts built for passion and power!

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  • Price
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  • WSM 54-250-12 Top End Kit - 67.50 mm - for Kawasaki

    WSM 54-250-12 Top End Kit - 67.50 mm - for Kawasaki

    WSM

    MSRP: $134.15
    $120.74
    FeaturesTop-quality piston kitIncludes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gask
    MSRP: $134.15
    $120.74
    Qty in Cart: 0
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    Price:
    MSRP: $134.15
    $120.74
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  • WSM 54-252-14 Top End Kit - 70.00 mm - for Kawasaki

    WSM 54-252-14 Top End Kit - 70.00 mm - for Kawasaki

    WSM

    MSRP: $134.15
    $120.74
    FeaturesTop-quality piston kitIncludes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gask
    MSRP: $134.15
    $120.74
    Qty in Cart: 0
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    Price:
    MSRP: $134.15
    $120.74
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  • WSM 54-254-10 Top End Kit - 90.00 mm - for Arctic Cat | for Kawasaki | for Suzuki

    WSM 54-254-10 Top End Kit - 90.00 mm - for Arctic Cat | for Kawasaki | for Suzuki

    WSM

    $229.40
    FeaturesTop-quality piston kitIncludes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gask
    $229.40
    Qty in Cart: 0
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    $229.40
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  • WSM 54-254-12 Top End Kit - for Arctic Cat | for Kawasaki | for Suzuki

    WSM 54-254-12 Top End Kit - for Arctic Cat | for Kawasaki | for Suzuki

    WSM

    MSRP: $214.20
    $192.78
    FeaturesTop-quality piston kitIncludes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gask
    MSRP: $214.20
    $192.78
    Qty in Cart: 0
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    Price:
    MSRP: $214.20
    $192.78
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  • WSM 54-254-13 Top End Kit - 90.75 mm - for Arctic Cat | for Kawasaki | for Suzuki

    WSM 54-254-13 Top End Kit - 90.75 mm - for Arctic Cat | for Kawasaki | for Suzuki

    WSM

    $214.20
    FeaturesTop-quality piston kitIncludes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gask
    $214.20
    Quick view
    Qty in Cart: 0
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    $214.20
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  • WSM 54-255-14 Top End Kit - 77.00 mm - for Kawasaki

    WSM 54-255-14 Top End Kit - 77.00 mm - for Kawasaki

    WSM

    $134.15
    FeaturesTop-quality piston kitIncludes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gask
    $134.15
    Qty in Cart: 0
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    $134.15
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  • WSM 54-255-22 Top End Kit - 76.50 mm - for Kawasaki

    WSM 54-255-22 Top End Kit - 76.50 mm - for Kawasaki

    WSM

    $130.10
    FeaturesTop-quality piston kitIncludes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gask
    $130.10
    Qty in Cart: 0
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    $130.10
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  • WSM 54-255-24 Top End Kit - 77.00 mm - for Kawasaki

    WSM 54-255-24 Top End Kit - 77.00 mm - for Kawasaki

    WSM

    MSRP: $130.10
    $117.09
    FeaturesTop-quality piston kitIncludes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gask
    MSRP: $130.10
    $117.09
    Qty in Cart: 0
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    MSRP: $130.10
    $117.09
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  • WSM 54-256-11 Top End Rebuild Kit fits Kawasaki 650 (+0.25mm)

    WSM 54-256-11 Top End Rebuild Kit fits Kawasaki 650 (+0.25mm)

    WSM

    MSRP: $289.93
    $248.51
    Top-quality piston kitIncludes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gaskets and oil filter for 4-stroke models
    MSRP: $289.93
    $248.51
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    Qty in Cart: 0
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    MSRP: $289.93
    $248.51
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  • WSM 54-257-10 Top End Kit - 74.00 mm - for Kawasaki

    WSM 54-257-10 Top End Kit - 74.00 mm - for Kawasaki

    WSM

    $146.14
    FeaturesTop-quality piston kitIncludes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gask
    $146.14
    Quick view
    Qty in Cart: 0
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    $146.14
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  • WSM 54-258-14 Top End Rebuild Kit fits Kawasaki 750 Brute Force/Teryx (+1mm)

    WSM 54-258-14 Top End Rebuild Kit fits Kawasaki 750 Brute Force/Teryx (+1mm)

    WSM

    MSRP: $289.93
    $248.51
    Top-quality piston kitIncludes pistons, rings, pins, clips, head and base gaskets and intake and exhaust gaskets and oil filter for 4-stroke models
    MSRP: $289.93
    $248.51
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $289.93
    $248.51
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  • WSM 54-300-10P Top End Rebuild Kit fits Polaris 250 86-06 Standard Platinum

    WSM 54-300-10P Top End Rebuild Kit fits Polaris 250 86-06 Standard Platinum

    WSM

    MSRP: $134.56
    $115.34
    Top-quality piston kitIncludes pistons, rings, pins, clips, racing needle bearings, head and base gaskets, intake and exhaust gaskets
    MSRP: $134.56
    $115.34
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $134.56
    $115.34
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