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CYLINDER WORKS

CYLINDER WORKS

CYLINDER WORKS

Cylinder Works Cylinders, Piston Kits, and Gasket Sets at JJ Motorsports

Cylinder Works, founded in 2000 by Ron Hamp—who previously worked for leading motorcycle manufacturers—has established itself as a premier brand in the powersports industry, specializing in high-quality cylinder kits for dirt bikes, ATVs, and UTVs. With a focus on reliability, durability, and easy installation, Cylinder Works uses advanced technologies and materials to provide direct OEM replacements and performance upgrades that enhance engine efficiency and power for both professional racers and amateur riders.

At JJ Motorsports, we offer a comprehensive selection of Cylinder Works products, including 66.4mm Cylinders for Yamaha YZ250 to maintain optimal compression, Standard Bore Cylinder Kits for Kawasaki KRT750 Teryx4 for seamless replacements, and High Compression Cylinder Kits to boost performance. Whether you're rebuilding an engine or upgrading for more power, Cylinder Works delivers precise-fit solutions compatible with major brands like Yamaha and Kawasaki. Explore our inventory to find the ideal parts for your vehicle.

Key features of Cylinder Works products include big bore kits for increased displacement, standard bore kits for maintaining original specs, and complete kits with pistons, rings, wrist pins, circlips, and gaskets for easy assembly. Shop now and elevate your powersports experience with Cylinder Works!

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • Cylinder Works Standard Bore Cylinder for Kawasaki KX85 2006-2013 30009

    Cylinder Works Standard Bore Cylinder for Kawasaki KX85 2006-2013 30009

    CYLINDER WORKS

    $543.95
    A worn or damaged cylinder directly compromises your KX85's power delivery and throttle response. The Cylinder Works Standard Bore Cylinder delivers OEM-spec performance without the downtime of...
    09310580
    SKU:
    09310580
    Availability:
    Ships Same Business Day
    Weight:
    3.50 LBS
    OVERBORE METRIC:
    STANDARD
    STYLE:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    10.0:1
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    DISPLACEMENT:
    85 CC
    ENGINE TYPE:
    2-CYCLE
    PRODUCT NAME:
    CYLINDER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $543.95
    Qty in Cart: 0
    Quantity:
    Price:
    $543.95
    Subtotal:
  • Cylinder Works Big Bore Gasket Kit for 2016-2023 KTM 250 SX-F 81mm Bore 51006-G01

    Cylinder Works Big Bore Gasket Kit for 2016-2023 KTM 250 SX-F 81mm Bore 51006-G01

    CYLINDER WORKS

    $158.95
    When you've invested in a big bore kit for your 2016-2023 KTM 250 SX-F, compromising on gaskets undermines everything you've gained. The Cylinder Works Big Bore Gasket Kit ensures complete sealing...
    09346005
    SKU:
    09346005
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BORE SIZE IMPERIAL:
    OVERSIZE (+3.00 MM)
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CYLINDER
    UNITS:
    KIT
    $158.95
    Qty in Cart: 0
    Quantity:
    Price:
    $158.95
    Subtotal:
  • Cylinder Works Standard Bore Cylinder Kit for Honda CRF450R 2019 10010-K02

    Cylinder Works Standard Bore Cylinder Kit for Honda CRF450R 2019 10010-K02

    CYLINDER WORKS

    $677.95
    If you're running a stock Honda CRF450R cylinder, you're leaving performance and reliability on the table. The Cylinder Works Standard Bore Kit delivers a complete, bolt-on refresh that restores your...
    09310840
    SKU:
    09310840
    Availability:
    Ships Same Business Day
    Weight:
    4.10 LBS
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER:
    96,00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    CYLINDER DIAMETER METRIC:
    96.00 MM
    STYLE:
    STANDARD
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    DISPLACEMENT:
    449 CC
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $677.95
    Subtotal:
  • Cylinder Works Big Bore Cylinder Kit for Polaris General 1000 2017-2019 61006-K01

    Cylinder Works Big Bore Cylinder Kit for Polaris General 1000 2017-2019 61006-K01

    CYLINDER WORKS

    $1,309.95
    If you're running a Polaris General 1000 and want measurable power gains without engine teardown, the Cylinder Works Big Bore Kit delivers displacement and compression in one bolt-on package. The...
    09310844
    SKU:
    09310844
    Availability:
    Ships Same Business Day
    Weight:
    9.65 LBS
    DISPLACEMENT:
    1110 CC
    RIDING STYLE:
    UTV
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    PRODUCT NAME:
    CYLINDER KIT
    STYLE:
    BIG BORE
    UNITS:
    KIT
    COMPRESSION RATIO IMPERIAL:
    11.0:1
    CYLINDER DIAMETER:
    98,00 MM
    CYLINDER DIAMETER METRIC:
    98.00 MM
    ENGINE TYPE:
    4-CYCLE
    Qty in Cart: 0
    Quantity:
    Price:
    $1,309.95
    Subtotal:
  • Cylinder Works Standard Bore Cylinder Kit Honda CRF450R 2019 10010-K02

    Cylinder Works Standard Bore Cylinder Kit Honda CRF450R 2019 10010-K02

    CYLINDER WORKS

    $421.95
    Your Honda CRF450R's cylinder endures constant thermal stress and high-RPM wear—a worn or damaged cylinder compromises compression, power delivery, and overall engine reliability. The Cylinder Works...
    09310712
    SKU:
    09310712
    Availability:
    Ships Same Business Day
    Weight:
    2.95 LBS
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER:
    96,00 MM
    OVERBORE METRIC:
    STANDARD
    STYLE:
    STANDARD
    ENGINE TYPE:
    4-CYCLE
    UNITS:
    EACH
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    CYLINDER DIAMETER METRIC:
    96.00 MM
    PRODUCT NAME:
    CYLINDER
    RIDING STYLE:
    OFF-ROAD
    $421.95
    Qty in Cart: 0
    Quantity:
    Price:
    $421.95
    Subtotal:
  • Cylinder Works Big Bore Cylinder Kit CRF 450 R 2017-2018 11010-K01

    Cylinder Works Big Bore Cylinder Kit CRF 450 R 2017-2018 11010-K01

    CYLINDER WORKS

    $886.95
    If you're looking to unlock genuine performance gains from your CRF 450 R without compromise, the Cylinder Works Big Bore Kit delivers measurable improvements in displacement, combustion efficiency,...
    09310715
    SKU:
    09310715
    Availability:
    Ships Same Business Day
    Weight:
    4.25 LBS
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    DISPLACEMENT:
    STANDARD
    OVERBORE METRIC:
    +3.00 MM
    PRODUCT NAME:
    CYLINDER KIT
    STYLE:
    BIG BORE
    UNITS:
    KIT
    CYLINDER DIAMETER METRIC:
    99.00 MM
    RIDING STYLE:
    OFF-ROAD
    CYLINDER DIAMETER:
    99,00 MM
    ENGINE TYPE:
    4-CYCLE
    $886.95
    Qty in Cart: 0
    Quantity:
    Price:
    $886.95
    Subtotal:
  • Cylinder Works Standard Bore Cylinder Kit for 2016-2018 KTM 350 SX-F 50007-K01

    Cylinder Works Standard Bore Cylinder Kit for 2016-2018 KTM 350 SX-F 50007-K01

    CYLINDER WORKS

    $888.95
    If your 2016-2018 KTM 350 SX-F is showing signs of wear—loss of compression, increased blow-by, or declining power delivery—a fresh cylinder kit is the most direct path to restoring race-ready...
    09310721
    SKU:
    09310721
    Availability:
    Ships Same Business Day
    Weight:
    3.50 LBS
    CYLINDER DIAMETER METRIC:
    88.00 MM
    COMPRESSION RATIO IMPERIAL:
    14.0:1
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    PRODUCT NAME:
    CYLINDER KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    88.00 MM
    CYLINDER DIAMETER:
    88,00 MM
    STYLE:
    STANDARD
    ENGINE TYPE:
    4-CYCLE
    $888.95
    Qty in Cart: 0
    Quantity:
    Price:
    $888.95
    Subtotal:
  • Cylinder Works Cylinder Kit Husqvarna FC 350 2016-2018 50007-K01HC

    Cylinder Works Cylinder Kit Husqvarna FC 350 2016-2018 50007-K01HC

    CYLINDER WORKS

    $834.95
    A worn or damaged cylinder compromises your FC 350's power delivery and reliability—especially in competitive or high-mileage applications. The Cylinder Works kit delivers a complete,...
    09310722
    SKU:
    09310722
    Availability:
    Ships Same Business Day
    Weight:
    3.55 LBS
    CYLINDER DIAMETER:
    88,00 MM
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER KIT
    CYLINDER DIAMETER METRIC:
    88.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BORE SIZE METRIC:
    88.00 MM
    COMPRESSION RATIO IMPERIAL:
    15.1:1
    STYLE:
    STANDARD
    Qty in Cart: 0
    Quantity:
    Price:
    $834.95
    Subtotal:
  • Cylinder Works Big Bore Cylinder Kit for 2016-2018 KTM 350 SX-F 366cc 14.0:1 Compression 90mm 51007-K01

    Cylinder Works Big Bore Cylinder Kit for 2016-2018 KTM 350 SX-F 366cc 14.0:1 Compression 90mm 51007-K01

    CYLINDER WORKS

    $866.95
    If you're running a 2016-2018 KTM 350 SX-F and want measurable gains in peak power and mid-range response without a complete engine rebuild, this big bore kit delivers. By stepping displacement from...
    09310723
    SKU:
    09310723
    Availability:
    Ships Same Business Day
    Weight:
    3.45 LBS
    CYLINDER DIAMETER:
    90,00 MM
    DISPLACEMENT:
    STANDARD
    ENGINE TYPE:
    4-CYCLE
    OVERBORE METRIC:
    +2.00 MM
    PRODUCT NAME:
    CYLINDER KIT
    COMPRESSION RATIO IMPERIAL:
    14.0:1
    CYLINDER DIAMETER METRIC:
    90.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    STYLE:
    BIG BORE
    Qty in Cart: 0
    Quantity:
    Price:
    $866.95
    Subtotal:
  • Cylinder Works Big Bore Cylinder Kit for Yamaha YZ450F 2014-2017 21005-K02

    Cylinder Works Big Bore Cylinder Kit for Yamaha YZ450F 2014-2017 21005-K02

    CYLINDER WORKS

    $834.95
    The stock cylinder in your 2014-2017 YZ450F limits your engine's potential—this big bore kit unlocks measurable horsepower and torque gains while maintaining reliability. By increasing displacement...
    09310590
    SKU:
    09310590
    Availability:
    Ships Same Business Day
    Weight:
    4.40 LBS
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    CYLINDER DIAMETER METRIC:
    99.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    PRODUCT NAME:
    CYLINDER KIT
    STYLE:
    BIG BORE
    DISPLACEMENT:
    468 CC
    ENGINE TYPE:
    4-CYCLE
    OVERBORE METRIC:
    +2.00 MM
    CYLINDER DIAMETER:
    99,00 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $834.95
    Subtotal:
  • Cylinder Works Big Bore Cylinder Kit for Yamaha WR250F 2015-2019 21010-K01

    Cylinder Works Big Bore Cylinder Kit for Yamaha WR250F 2015-2019 21010-K01

    CYLINDER WORKS

    $771.95
    If you're serious about maximizing your WR250F's potential, a big bore cylinder kit is one of the most direct paths to measurable power gains. The Cylinder Works Big Bore Kit delivers increased...
    09310591
    SKU:
    09310591
    Availability:
    Ships Same Business Day
    Weight:
    3.20 LBS
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    DISPLACEMENT:
    269 CC
    OVERBORE METRIC:
    +3.00 MM
    UNITS:
    KIT
    CYLINDER DIAMETER METRIC:
    80.00 MM
    RIDING STYLE:
    OFF-ROAD
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER KIT
    STYLE:
    BIG BORE
    CYLINDER DIAMETER:
    80,00 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $771.95
    Subtotal:
  • Cylinder Works Rear Cylinder Kit Kawasaki KVF750 Brute Force 2015-2020 30008-K02

    Cylinder Works Rear Cylinder Kit Kawasaki KVF750 Brute Force 2015-2020 30008-K02

    CYLINDER WORKS

    $639.95
    If you're running a Kawasaki KVF750 Brute Force, cylinder wear directly impacts power delivery, fuel efficiency, and overall reliability. The Cylinder Works Rear Cylinder Kit restores your engine to...
    09310611
    SKU:
    09310611
    Availability:
    Ships Same Business Day
    Weight:
    5.00 LBS
    COMPRESSION RATIO IMPERIAL:
    9.3:1
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER METRIC:
    85.00 MM
    PRODUCT NAME:
    REAR CYLINDER KIT
    UNITS:
    KIT
    CYLINDER DIAMETER:
    85,00 MM
    DISPLACEMENT:
    749 CC
    RIDING STYLE:
    ATV
    ENGINE TYPE:
    4-CYCLE
    STYLE:
    STANDARD
    Qty in Cart: 0
    Quantity:
    Price:
    $639.95
    Subtotal:
  • Cylinder Works Standard Bore Cylinder Kit for Polaris RZR XP 1000 2014-2015 60003-K02

    Cylinder Works Standard Bore Cylinder Kit for Polaris RZR XP 1000 2014-2015 60003-K02

    CYLINDER WORKS

    $1,093.95
    When your RZR XP 1000 demands more power and reliability, a worn or damaged cylinder becomes the bottleneck to peak performance. The Cylinder Works Standard Bore Kit delivers a direct bolt-on...
    09310618
    SKU:
    09310618
    Availability:
    Ships Same Business Day
    Weight:
    9.85 LBS
    CYLINDER DIAMETER:
    93,00 MM
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER KIT
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER METRIC:
    93.00 MM
    DISPLACEMENT:
    999 CC
    UNITS:
    KIT
    RIDING STYLE:
    UTV
    STYLE:
    STANDARD
    $1,093.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,093.95
    Subtotal:
  • Cylinder Works CRF 450 R 2013-2016 Standard Bore Cylinder Kit 10006-K02

    Cylinder Works CRF 450 R 2013-2016 Standard Bore Cylinder Kit 10006-K02

    CYLINDER WORKS

    $717.95
    When your CRF 450 R's original cylinder shows signs of wear—scoring, loss of compression, or increased blow-by—a quality rebuild kit is your path back to reliable power delivery. The Cylinder Works...
    09310489
    SKU:
    09310489
    Availability:
    Ships Same Business Day
    Weight:
    4.45 LBS
    DISPLACEMENT:
    449 CC
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER KIT
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER:
    96,00 MM
    COMPRESSION RATIO IMPERIAL:
    12.5:1
    CYLINDER DIAMETER METRIC:
    96.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    STYLE:
    STANDARD
    Qty in Cart: 0
    Quantity:
    Price:
    $717.95
    Subtotal:
  • Cylinder Works Yamaha YFM700R Raptor 2006-2014 Standard Bore Cylinder Kit 20004-K01

    Cylinder Works Yamaha YFM700R Raptor 2006-2014 Standard Bore Cylinder Kit 20004-K01

    CYLINDER WORKS

    $842.95
    When your YFM700R's original cylinder shows signs of wear or you're ready to unlock additional displacement, the Cylinder Works Standard Bore Kit delivers a complete, bolt-on solution without...
    09310379
    SKU:
    09310379
    Availability:
    Ships Same Business Day
    Weight:
    8.34 LBS
    PRODUCT NAME:
    CYLINDER KIT
    COMPRESSION RATIO IMPERIAL:
    9.2:1
    CYLINDER DIAMETER:
    102,00 MM
    CYLINDER DIAMETER METRIC:
    102.00 MM
    UNITS:
    KIT
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    DISPLACEMENT:
    686 CC
    STYLE:
    STANDARD
    ENGINE TYPE:
    4-CYCLE
    RIDING STYLE:
    ATV
    $842.95
    Qty in Cart: 0
    Quantity:
    Price:
    $842.95
    Subtotal:
  • Cylinder Works Big Bore Cylinder Kit 2020-2022 KTM 350 EXC-F CW51008K01

    Cylinder Works Big Bore Cylinder Kit 2020-2022 KTM 350 EXC-F CW51008K01

    CYLINDER WORKS

    $885.95
    Elevate your engine's performance with the CYLINDER WORKS Big Bore Cylinder Kit CW51008K01. Designed for seamless installation, this kit provides an exceptional upgrade over OEM cylinders, enhancing...
    09310967
    SKU:
    09310967
    Availability:
    Ships Same Business Day
    Weight:
    4.60 LBS
    OVERBORE IMPERIAL:
    +2.00 MM
    COMPRESSION RATIO IMPERIAL:
    14.0:1
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER:
    90,00 MM
    PRODUCT NAME:
    CYLINDER KIT
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    BIG BORE
    UNITS:
    KIT
    CYLINDER DIAMETER METRIC:
    90.00 MM
    DISPLACEMENT:
    366 CC
    ENGINE TYPE:
    4-CYCLE
    RIDING STYLE:
    STREET
    Qty in Cart: 0
    Quantity:
    Price:
    $885.95
    Subtotal:
  • Cylinder Works Standard Bore Cylinder KTM 65 SX 2009-2022 50005

    Cylinder Works Standard Bore Cylinder KTM 65 SX 2009-2022 50005

    CYLINDER WORKS

    $631.95
    Upgrade your engine with the Cylinder Works Standard 50005, a high-performance, ready-to-install direct bolt-on cylinder. Engineered for durability and precision, this cylinder offers a seamless fit...
    09311015
    SKU:
    09311015
    Availability:
    Ships Same Business Day
    Weight:
    2.51 LBS
    ENGINE TYPE:
    2-CYCLE
    STYLE:
    STANDARD
    CYLINDER DIAMETER:
    45,00 MM
    CYLINDER DIAMETER METRIC:
    45.00 MM
    UNITS:
    EACH
    PRODUCT NAME:
    CYLINDER
    RIDING STYLE:
    OFF-ROAD
    $631.95
    Qty in Cart: 0
    Quantity:
    Price:
    $631.95
    Subtotal:
  • Cylinder Works Standard Bore Cylinder Yamaha YFZ450R 2009-2024 20003-1

    Cylinder Works Standard Bore Cylinder Yamaha YFZ450R 2009-2024 20003-1

    CYLINDER WORKS

    $410.95
    Experience unparalleled performance with the CYLINDER WORKS Standard Cylinder 20003-1. This ready-to-install, direct bolt-on cylinder is designed for seamless integration, requiring no re-plating and...
    09311016
    SKU:
    09311016
    Availability:
    Ships Same Business Day
    Weight:
    3.46 LBS
    ENGINE TYPE:
    4-CYCLE
    STYLE:
    STANDARD
    CYLINDER DIAMETER:
    95,00 MM
    CYLINDER DIAMETER METRIC:
    95.00 MM
    PRODUCT NAME:
    CYLINDER
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $410.95
    Subtotal:
  • Cylinder Works High Compression Cylinder Kit Yamaha YZ250F 2001-2007 20002-K01HC

    Cylinder Works High Compression Cylinder Kit Yamaha YZ250F 2001-2007 20002-K01HC

    CYLINDER WORKS

    $750.95
    Elevate your engine's performance with the Cylinder Works High Compression Cylinder Kit. Designed for easy installation, this kit combines advanced engineering with premium materials to deliver...
    09310296
    SKU:
    09310296
    Availability:
    Ships Same Business Day
    Weight:
    3.33 LBS
    DISPLACEMENT:
    249 CC
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER KIT
    STYLE:
    HIGH COMPRESSION
    COMPRESSION RATIO IMPERIAL:
    13.5:1
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER:
    77,00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    CYLINDER DIAMETER METRIC:
    77.00 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $750.95
    Subtotal:
  • Cylinder Works Big Bore Cylinder Kit for 2011-2014 Polaris Ranger 800 4x4 808cc 10.2:1 Compression 61002-K02

    Cylinder Works Big Bore Cylinder Kit for 2011-2014 Polaris Ranger 800 4x4 808cc 10.2:1 Compression 61002-K02

    CYLINDER WORKS

    $1,119.95
    Upgrade your engine's performance effortlessly with the CYLINDER WORKS Big Bore Cylinder Kit. Designed for seamless installation, this kit offers enhanced durability and efficiency, ensuring your...
    09310621
    SKU:
    09310621
    Availability:
    Ships Same Business Day
    Weight:
    10.05 LBS
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER KIT
    STYLE:
    BIG BORE
    COMPRESSION RATIO IMPERIAL:
    10.2:1
    CYLINDER DIAMETER METRIC:
    82.00 MM
    RIDING STYLE:
    ATV
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER:
    82,00 MM
    DISPLACEMENT:
    808 CC
    UNITS:
    KIT
    OVERBORE METRIC:
    +2.00 MM
    RIDING STYLE:
    UTV
    $1,119.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,119.95
    Subtotal:
  • Cylinder Works Big Bore Gasket Kit Honda CRF250R 2004-2009 11001-G01

    Cylinder Works Big Bore Gasket Kit Honda CRF250R 2004-2009 11001-G01

    CYLINDER WORKS

    $64.95
    If you're running a Honda CRF250R and serious about extracting more power from your engine, a big bore kit is one of the most direct paths to measurable performance gains. The Cylinder Works Big Bore...
    09341521
    SKU:
    09341521
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    GASKET KIT
    TYPE:
    TOP END
    BORE SIZE METRIC:
    OVERSIZED (+3.00 MM)
    MATERIAL:
    NICKEL SILICON CARBIDE
    UNITS:
    KIT
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    BIG BORE
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • Cylinder Works Big Bore Gasket Kit for Yamaha YZ250 1999-2020 21009-G01

    Cylinder Works Big Bore Gasket Kit for Yamaha YZ250 1999-2020 21009-G01

    CYLINDER WORKS

    $113.95
    When your YZ250's stock cylinder reaches its limits, a big bore kit is the direct path to increased displacement, improved throttle response, and measurable power gains. The Cylinder Works 21009-G01...
    09344757
    SKU:
    09344757
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    TOP END
    UNITS:
    KIT
    STYLE:
    BIG BORE
    PRODUCT NAME:
    GASKET KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $113.95
    Subtotal:
  • Cylinder Works Big Bore Gasket Kit for 2010-2017 Honda CRF250R 11007-G01

    Cylinder Works Big Bore Gasket Kit for 2010-2017 Honda CRF250R 11007-G01

    CYLINDER WORKS

    $75.95
    When you're ready to unlock serious power gains on your CRF250R, you need a big bore kit that actually delivers—without the headache of machine work or expensive re-plating. The Cylinder Works...
    09342383
    SKU:
    09342383
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    NICKEL SILICON CARBIDE
    BORE SIZE METRIC:
    OVERSIZED (+3.00 MM)
    TYPE:
    TOP END
    PRODUCT NAME:
    GASKET KIT
    STYLE:
    BIG BORE
    Qty in Cart: 0
    Quantity:
    Price:
    $75.95
    Subtotal:
  • Cylinder Works Big Bore Gasket Kit for 2009-2016 Kawasaki KX250F 31004-G01

    Cylinder Works Big Bore Gasket Kit for 2009-2016 Kawasaki KX250F 31004-G01

    CYLINDER WORKS

    $92.95
    When you're pushing your KX250F to its limits, factory tolerances become your biggest constraint. The Cylinder Works Big Bore Gasket Kit delivers measurable displacement gains and improved combustion...
    09341929
    SKU:
    09341929
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BORE SIZE METRIC:
    OVERSIZED (+3.00 MM)
    MATERIAL:
    NICKEL SILICON CARBIDE
    PRODUCT NAME:
    GASKET KIT
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    BIG BORE
    UNITS:
    KIT
    TYPE:
    TOP END
    Qty in Cart: 0
    Quantity:
    Price:
    $92.95
    Subtotal:
  • Cylinder Works Standard Bore Cylinder Kit for Polaris ACE 900 EPS 2016 60004-K02

    Cylinder Works Standard Bore Cylinder Kit for Polaris ACE 900 EPS 2016 60004-K02

    CYLINDER WORKS

    $1,060.95
    When your Polaris ACE 900 EPS starts showing signs of wear or you're looking to restore factory performance, a quality cylinder kit is essential. The Cylinder Works Standard Bore Cylinder eliminates...
    09310734
    SKU:
    09310734
    Availability:
    Ships Same Business Day
    Weight:
    9.91 LBS
    COMPRESSION RATIO IMPERIAL:
    10.5:1
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER METRIC:
    93.00 MM
    STYLE:
    STANDARD
    UNITS:
    KIT
    CYLINDER DIAMETER:
    93,00 MM
    DISPLACEMENT:
    STANDARD
    RIDING STYLE:
    UTV
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER
    Qty in Cart: 0
    Quantity:
    Price:
    $1,060.95
    Subtotal:
  • Cylinder Works Standard Bore Cylinder Kit for Polaris RZR 900 2015-2016 60004 Cylinder Works Standard Bore Cylinder Kit for Polaris RZR 900 2015-2016 60004

    Cylinder Works Standard Bore Cylinder Kit for Polaris RZR 900 2015-2016 60004

    CYLINDER WORKS

    $672.95
    The stock cylinder in your Polaris RZR 900 can wear rapidly under aggressive riding conditions, leading to power loss and increased friction. The Cylinder Works Standard Bore Cylinder Kit restores...
    09310733
    SKU:
    09310733
    Availability:
    Ships Same Business Day
    Weight:
    7.15 LBS
    CYLINDER DIAMETER METRIC:
    93.00 MM
    UNITS:
    EACH
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER
    CYLINDER DIAMETER:
    93,00 MM
    RIDING STYLE:
    UTV
    STYLE:
    STANDARD
    $672.95
    Qty in Cart: 0
    Quantity:
    Price:
    $672.95
    Subtotal:
  • Cylinder Works Standard Bore Cylinder Kit Yamaha YFZ450R 2009-2017 20003-K02

    Cylinder Works Standard Bore Cylinder Kit Yamaha YFZ450R 2009-2017 20003-K02

    CYLINDER WORKS

    $788.95
    When factory wear compromises your YFZ450R's performance, a stock cylinder rebuild often leaves you with mediocre results and unnecessary machine shop costs. The Cylinder Works Standard Bore Kit...
    09310376
    SKU:
    09310376
    Availability:
    Ships Same Business Day
    Weight:
    4.70 LBS
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    UNITS:
    KIT
    STYLE:
    STANDARD
    CYLINDER DIAMETER METRIC:
    95.00 MM
    DISPLACEMENT:
    449 CC
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER KIT
    COMPRESSION RATIO IMPERIAL:
    12.1:1
    CYLINDER DIAMETER:
    95,00 MM
    RIDING STYLE:
    ATV
    $788.95
    Qty in Cart: 0
    Quantity:
    Price:
    $788.95
    Subtotal:
  • Cylinder Works Standard Bore Cylinder Kit Yamaha YFM700 Grizzly 2007-2013 20104-K01

    Cylinder Works Standard Bore Cylinder Kit Yamaha YFM700 Grizzly 2007-2013 20104-K01

    CYLINDER WORKS

    $842.95
    If you're running a Yamaha Grizzly 700 and want measurable gains in power delivery and engine longevity without the complexity of custom machine work, this Cylinder Works kit delivers the bore...
    09310374
    SKU:
    09310374
    Availability:
    Ships Same Business Day
    Weight:
    8.40 LBS
    COMPRESSION RATIO IMPERIAL:
    9.2:1
    CYLINDER DIAMETER:
    102,00 MM
    CYLINDER DIAMETER METRIC:
    102.00 MM
    RIDING STYLE:
    ATV
    UNITS:
    KIT
    ENGINE TYPE:
    4-CYCLE
    PRODUCT NAME:
    CYLINDER KIT
    DISPLACEMENT:
    686 CC
    RIDING STYLE:
    UTV
    STYLE:
    STANDARD
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    $842.95
    Qty in Cart: 0
    Quantity:
    Price:
    $842.95
    Subtotal:
  • Cylinder Works Big Bore Cylinder Kit Yamaha YZ85 2002-2018 103.5cc 21007-K01

    Cylinder Works Big Bore Cylinder Kit Yamaha YZ85 2002-2018 103.5cc 21007-K01

    CYLINDER WORKS

    $885.95
    If you're running a stock YZ85, you're leaving performance on the table. This big bore kit delivers a measurable increase in displacement and power output without requiring machine work or custom...
    09310346
    SKU:
    09310346
    Availability:
    Ships Same Business Day
    Weight:
    3.60 LBS
    COMPRESSION RATIO IMPERIAL:
    8.2:1
    ENGINE TYPE:
    2-CYCLE
    PRODUCT NAME:
    CYLINDER KIT
    STYLE:
    BIG BORE
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    DISPLACEMENT:
    103.5 CC
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    CYLINDER DIAMETER METRIC:
    52.50 MM
    CYLINDER DIAMETER:
    52,50 MM
    OVERBORE METRIC:
    +5.00 MM
    Qty in Cart: 0
    Quantity:
    Price:
    $885.95
    Subtotal:
  • Cylinder Works Suzuki RM-Z250 2010-2012 Standard Bore Cylinder Kit 40004-K01

    Cylinder Works Suzuki RM-Z250 2010-2012 Standard Bore Cylinder Kit 40004-K01

    CYLINDER WORKS

    $704.95
    When your RM-Z250 cylinder shows signs of wear—scoring, loss of compression, or increased blow-by—a factory replacement often means sending your engine out for expensive machine work and re-plating...
    09310343
    SKU:
    09310343
    Availability:
    Ships Same Business Day
    Weight:
    3.25 LBS
    COMPRESSION RATIO IMPERIAL:
    13.4:1
    CYLINDER DIAMETER METRIC:
    77.00 MM
    RIDING STYLE:
    OFF-ROAD
    STYLE:
    STANDARD
    DISPLACEMENT:
    249 CC
    ENGINE TYPE:
    4-CYCLE
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER:
    77,00 MM
    PRODUCT NAME:
    CYLINDER KIT
    UNITS:
    KIT
    $704.95
    Qty in Cart: 0
    Quantity:
    Price:
    $704.95
    Subtotal:
  • Cylinder Works Kawasaki KX250F 2009 Standard Bore Cylinder Kit 30004-K01

    Cylinder Works Kawasaki KX250F 2009 Standard Bore Cylinder Kit 30004-K01

    CYLINDER WORKS

    $679.95
    A worn or damaged cylinder compromises both power delivery and reliability—especially critical on a high-strung 250F that demands precision. This bolt-on Cylinder Works kit restores your engine to...
    09310277
    SKU:
    09310277
    Availability:
    Ships Same Business Day
    Weight:
    3.15 LBS
    COMPRESSION RATIO IMPERIAL:
    13.2:1
    CYLINDER DIAMETER METRIC:
    77.00 MM
    RIDING STYLE:
    OFF-ROAD
    DISPLACEMENT:
    249 CC
    ENGINE TYPE:
    4-CYCLE
    STYLE:
    STANDARD
    CYLINDER BORE COATING:
    NICKEL-SILICON CARBIDE
    CYLINDER DIAMETER:
    77,00 MM
    PRODUCT NAME:
    CYLINDER KIT
    UNITS:
    KIT
    $679.95
    Qty in Cart: 0
    Quantity:
    Price:
    $679.95
    Subtotal:
  • Total: items /

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Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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