Piston and Ring Kits

Piston and Ring Kits

Piston and Ring Kits

J&J Motorsports is a leading supplier of dirt bike engine parts, offering a wide selection of pistons and piston ring kits from popular brands like Wiseco and Vertex Racing. We're proud to offer dirt bike parts from some of the most trusted names in the business, and we're committed to offering the best prices and customer service around. Whether you're looking for a replacement piston for your dirt bike or a complete piston ring kit, we've got you covered. Browse our selection of dirt bike engine parts today and find the perfect fit for your ride. Thanks for shopping with J&J Motorsports!

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  • KB PERFORMANCE Piston Kit KB297.040
    Quick view

    KB PERFORMANCE Piston Kit KB297.040

    KB PERFORMANCE

    $255.95
    KB PERFORMANCE Piston Kit KB297.040Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and less than...
    DS751263
    SKU:
    DS751263
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE SIZE IMPERIAL:
    3.498'
    COMPRESSION RATIO IMPERIAL:
    8.3:1
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.040'
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    Add to Cart
    $255.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $255.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit KB272.005
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    KB PERFORMANCE Piston Kit KB272.005

    KB PERFORMANCE

    $255.95
    KB PERFORMANCE Piston Kit KB272.005Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and less than...
    DS751264
    SKU:
    DS751264
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE SIZE IMPERIAL:
    3.498'
    PISTON HEAD SHAPE:
    REVERSE
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    Add to Cart
    $255.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $255.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Evolution KB305.000
    Quick view

    KB PERFORMANCE Piston Kit - Evolution KB305.000

    KB PERFORMANCE

    $255.95
    KB PERFORMANCE Piston Kit Evolution KB305.000Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...
    DS751265
    SKU:
    DS751265
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    BORE SIZE IMPERIAL:
    3.498'
    COMPRESSION RATIO IMPERIAL:
    9.6:1
    UNITS:
    KIT
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    Add to Cart
    $255.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $255.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Evolution KB305.005
    Quick view

    KB PERFORMANCE Piston Kit - Evolution KB305.005

    KB PERFORMANCE

    $255.95
    KB PERFORMANCE Piston Kit Evolution KB305.005Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...
    DS751266
    SKU:
    DS751266
    Availability:
    Ships Same Business Day
    Weight:
    2.80 LBS
    BORE SIZE IMPERIAL:
    3.498'
    COMPRESSION RATIO IMPERIAL:
    9.6:1
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    Add to Cart
    $255.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $255.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Evolution KB305.010
    Quick view

    KB PERFORMANCE Piston Kit - Evolution KB305.010

    KB PERFORMANCE

    $255.95
    KB PERFORMANCE Piston Kit Evolution KB305.010Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...
    DS751267
    SKU:
    DS751267
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    BORE SIZE IMPERIAL:
    3.498'
    UNITS:
    KIT
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    COMPRESSION RATIO IMPERIAL:
    9.6:1
    Add to Cart
    $255.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $255.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Evolution KB305.020
    Quick view

    KB PERFORMANCE Piston Kit - Evolution KB305.020

    KB PERFORMANCE

    $255.95
    KB PERFORMANCE Piston Kit Evolution KB305.020Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...
    DS751268
    SKU:
    DS751268
    Availability:
    Ships Same Business Day
    Weight:
    2.75 LBS
    UNITS:
    KIT
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    BORE SIZE IMPERIAL:
    3.498'
    COMPRESSION RATIO IMPERIAL:
    9.6:1
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    Add to Cart
    $255.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $255.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Evolution KB305.030
    Quick view

    KB PERFORMANCE Piston Kit - Evolution KB305.030

    KB PERFORMANCE

    $255.95
    KB PERFORMANCE Piston Kit Evolution KB305.030Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy, Allow a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...
    DS751269
    SKU:
    DS751269
    Availability:
    Ships Same Business Day
    Weight:
    2.85 LBS
    UNITS:
    KIT
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    BORE OVERSIZE - IMPERIAL:
    +0.030'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.498'
    COMPRESSION RATIO IMPERIAL:
    9.6:1
    Add to Cart
    $255.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $255.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Twin Cam KB348.000
    Quick view

    KB PERFORMANCE Piston Kit - Twin Cam KB348.000

    KB PERFORMANCE

    $306.95
    KB PERFORMANCE Piston Kit Twin Cam KB348.000Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...
    DS751281
    SKU:
    DS751281
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    UNITS:
    KIT
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    9.3:1
    BORE SIZE IMPERIAL:
    3.875'
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    Add to Cart
    $306.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $306.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Twin Cam KB348.005
    Quick view

    KB PERFORMANCE Piston Kit - Twin Cam KB348.005

    KB PERFORMANCE

    $306.95
    KB PERFORMANCE Piston Kit Twin Cam KB348.005Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...
    DS751282
    SKU:
    DS751282
    Availability:
    Ships Same Business Day
    Weight:
    3.05 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    COMPRESSION RATIO IMPERIAL:
    9.3:1
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.875'
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    Add to Cart
    $306.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $306.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Twin Cam KB411.000
    Quick view

    KB PERFORMANCE Piston Kit - Twin Cam KB411.000

    KB PERFORMANCE

    $319.95
    KB PERFORMANCE Piston Kit Twin Cam KB411.000Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...
    DS751286
    SKU:
    DS751286
    Availability:
    Ships Same Business Day
    Weight:
    3.20 LBS
    BORE SIZE IMPERIAL:
    3.875'
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    RIDING STYLE:
    STREET
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    Add to Cart
    $319.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $319.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Twin Cam KB411.005
    Quick view

    KB PERFORMANCE Piston Kit - Twin Cam KB411.005

    KB PERFORMANCE

    $319.95
    KB PERFORMANCE Piston Kit Twin Cam KB411.005Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and...
    DS751287
    SKU:
    DS751287
    Availability:
    Ships Same Business Day
    Weight:
    3.08 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    PRODUCT NAME:
    PISTON KIT
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.875'
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    RIDING STYLE:
    STREET
    Add to Cart
    $319.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $319.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit KB411.010
    Quick view

    KB PERFORMANCE Piston Kit KB411.010

    KB PERFORMANCE

    $319.95
    KB PERFORMANCE Piston Kit KB411.010Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight and less than...
    DS751288
    SKU:
    DS751288
    Availability:
    Ships Same Business Day
    Weight:
    3.20 LBS
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE SIZE IMPERIAL:
    3.875'
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    UNITS:
    KIT
    Add to Cart
    $319.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $319.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB425C.STD
    Quick view

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB425C.STD

    KB PERFORMANCE

    $298.95
    KB PERFORMANCE Piston Kit Twin Cam 88 KB425C.STDManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight...
    9106087
    SKU:
    9106087
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    COMPRESSION RATIO IMPERIAL:
    8.8:1
    UNITS:
    KIT
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    BORE SIZE IMPERIAL:
    3.750'
    PISTON HEAD SHAPE:
    FLAT TOP
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    Ships from Manufacture | Call to Order (231) 767-5055
    $298.95
    Ships from Manufacture | Call to Order (231) 767-5055 Quick view
    Qty in Cart: 0
    Price:
    $298.95
    Subtotal:
    Ships from Manufacture | Call to Order (231) 767-5055
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB425C.005
    Quick view

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB425C.005

    KB PERFORMANCE

    $298.95
    KB PERFORMANCE Piston Kit Twin Cam 88 KB425C.005Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight...
    9106088
    SKU:
    9106088
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    COMPRESSION RATIO IMPERIAL:
    8.8:1
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.750'
    PISTON HEAD SHAPE:
    FLAT TOP
    Ships from Manufacture | Call to Order (231) 767-5055
    $298.95
    Ships from Manufacture | Call to Order (231) 767-5055 Quick view
    Qty in Cart: 0
    Price:
    $298.95
    Subtotal:
    Ships from Manufacture | Call to Order (231) 767-5055
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB425C.010
    Quick view

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB425C.010

    KB PERFORMANCE

    $298.95
    KB PERFORMANCE Piston Kit Twin Cam 88 KB425C.010Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight...
    9106089
    SKU:
    9106089
    Availability:
    Ships Same Business Day
    Weight:
    3.00 LBS
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.750'
    COMPRESSION RATIO IMPERIAL:
    8.8:1
    PISTON HEAD SHAPE:
    FLAT TOP
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    PRODUCT NAME:
    PISTON KIT
    Add to Cart
    $298.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $298.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB425C.020
    Quick view

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB425C.020

    KB PERFORMANCE

    $298.95
    KB PERFORMANCE Piston Kit Twin Cam 88 KB425C.020Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight...
    9106090
    SKU:
    9106090
    Availability:
    Ships Same Business Day
    Weight:
    3.05 LBS
    COMPRESSION RATIO IMPERIAL:
    8.8:1
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.750'
    PISTON HEAD SHAPE:
    FLAT TOP
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    BORE OVERSIZE - IMPERIAL:
    +0.020'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    Add to Cart
    $298.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $298.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB425C.030
    Quick view

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB425C.030

    KB PERFORMANCE

    $298.95
    KB PERFORMANCE Piston Kit Twin Cam 88 KB425C.030Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight...
    9106091
    SKU:
    9106091
    Availability:
    Ships Same Business Day
    Weight:
    3.05 LBS
    COMPRESSION RATIO IMPERIAL:
    8.8:1
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.750'
    PISTON HEAD SHAPE:
    FLAT TOP
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    BORE OVERSIZE - IMPERIAL:
    +0.030'
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    Ships from Manufacture | Call to Order (231) 767-5055
    $298.95
    Ships from Manufacture | Call to Order (231) 767-5055 Quick view
    Qty in Cart: 0
    Price:
    $298.95
    Subtotal:
    Ships from Manufacture | Call to Order (231) 767-5055
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.STD
    Quick view

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.STD

    KB PERFORMANCE

    $306.95
    KB PERFORMANCE Piston Kit Twin Cam 88 KB426C.STDManufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight...
    9106092
    SKU:
    9106092
    Availability:
    Ships Same Business Day
    Weight:
    3.20 LBS
    BORE OVERSIZE - IMPERIAL:
    STANDARD
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.750'
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    PISTON KIT
    Add to Cart
    $306.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $306.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.005
    Quick view

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.005

    KB PERFORMANCE

    $306.95
    KB PERFORMANCE Piston Kit Twin Cam 88 KB426C.005Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight...
    9106093
    SKU:
    9106093
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.005'
    UNITS:
    KIT
    BORE SIZE IMPERIAL:
    3.750'
    Add to Cart
    $306.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $306.95
    Subtotal:
    Add to Cart
  • KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.010
    Quick view

    KB PERFORMANCE Piston Kit - Twin Cam 88 KB426C.010

    KB PERFORMANCE

    $306.95
    KB PERFORMANCE Piston Kit Twin Cam 88 KB426C.010Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy, Allows a tighter fit and longer piston and ring life, Diamond-machined pistons are held to plus or minus one gram weight...
    9106094
    SKU:
    9106094
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    PISTON MATERIAL:
    HYPEREUTECTIC ALLOY
    UNITS:
    KIT
    PRODUCT NAME:
    PISTON KIT
    RIDING STYLE:
    STREET
    BORE OVERSIZE - IMPERIAL:
    +0.010'
    BORE SIZE IMPERIAL:
    3.750'
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    Add to Cart
    $306.95
    Add to Cart Quick view
    Qty in Cart: 0
    Quantity:
    Price:
    $306.95
    Subtotal:
    Add to Cart
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