Select Your Ride

1
2
3

BOYESEN

BOYESEN

BOYESEN

Boyesen Reed Valves, Water Pumps, and Performance Parts at JJ Motorsports

Boyesen Racing Products is at the forefront of performance engineering in the powersports industry, founded on a passion for speed, precision, and quality. With a focus on innovation, Boyesen crafts high-performance components for motorcycles and ATVs, resulting from extensive research, development, and testing to ensure durability, functionality, and enhanced performance. The brand is trusted by enthusiasts for delivering reliable solutions that optimize power and reliability in off-road and racing applications.

At JJ Motorsports, we offer a wide selection of Boyesen products to elevate your ride. Popular items include the Water Pump Kit - Black - Gas Gas/Husqvarna/KTM WPK-42B, made in the USA for enhanced cooling performance, the Water Pump Kit - Magnesium - Gas Gas/Husqvarna/KTM WPK-42M to improve engine cooling, and the Impeller Pump for CR250 WPI-02 which enhances water flow and reduces hydraulic friction. Other favorites are the Single-Stage Reed - Fiber - CR250 '03 SSF302 for longer lifespan than stock reeds, the Single-Stage Reed - Fiber - YZ250 '02 SSF232 offering better value with fiberglass construction, and the Single-Stage Reed - Carbon - CR250 '03 SSC302 to optimize engine performance.

Boyesen products provide significant benefits such as increased horsepower through enhanced airflow, consistent temperature control for reliable performance, reduced friction, and longer component lifespan. Key features include durable materials like fiberglass and carbon, precise fitment for various models including Honda CR250, Yamaha YZ250, and KTM/Gas Gas/Husqvarna, and designs made in the USA for off-road racing and aggressive riding.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • BOYESEN Clutch Cover - Gold - KTM/Husqvarna CC-44CB

    BOYESEN Clutch Cover - Gold - KTM/Husqvarna CC-44CB

    BOYESEN

    $95.95
    If you're serious about reducing unsprung weight and shaving precious grams off your KTM or Husqvarna, a lightweight factory clutch cover is non-negotiable. The BOYESEN CC-44CB delivers race-proven...
    09401457
    SKU:
    09401457
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    TYPE:
    CLUTCH
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    STREET
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - KTM/Husqvarna CC-41AB

    BOYESEN Clutch Cover - Black - KTM/Husqvarna CC-41AB

    BOYESEN

    $95.95
    A lightweight clutch cover reduces unsprung mass and heat retention while delivering the durability required for competitive racing and trail abuse. The Boyesen CC-41AB features precision engineering...
    09401453
    SKU:
    09401453
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    RIDING STYLE:
    STREET
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Ignition Cover - Orange - KTM SC-41CO

    BOYESEN Ignition Cover - Orange - KTM SC-41CO

    BOYESEN

    $97.95
    Stock ignition covers are vulnerable to dirt, water, and premature wear—especially in demanding riding conditions. The Boyesen SC-41CO Factory Ignition Cover is cast from high-grade aluminum to...
    09401447
    SKU:
    09401447
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    COLOR/FINISH:
    ORANGE
    COLOR/FINISH:
    POWDER-COATED
    MATERIAL:
    ALUMINUM
    MODEL:
    FACTORY RACING
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    IGNITION
    $97.95
    Qty in Cart: 0
    Quantity:
    Price:
    $97.95
    Subtotal:
  • BOYESEN Ignition Cover - Gold - KTM/Husqvarna SC-41CM

    BOYESEN Ignition Cover - Gold - KTM/Husqvarna SC-41CM

    BOYESEN

    $87.95
    Your engine's internals face constant threats from dust, moisture, and debris—especially in trail and off-road conditions. The BOYESEN Ignition Cover replaces the factory plastic alternative with a...
    09401446
    SKU:
    09401446
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    COLOR/FINISH:
    MAGNESIUM
    COLOR/FINISH:
    POWDER-COATED
    MATERIAL:
    ALUMINUM
    MODEL:
    FACTORY RACING
    PRODUCT NAME:
    COVER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    IGNITION
    UNITS:
    EACH
    $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    $87.95
    Subtotal:
  • BOYESEN Ignition Cover - Black - KTM/Husqvarna SC-41CB

    BOYESEN Ignition Cover - Black - KTM/Husqvarna SC-41CB

    BOYESEN

    $87.95
    The stock ignition cover on your KTM or Husqvarna is vulnerable to mud, water, and debris—exactly what can compromise engine reliability during aggressive riding. The BOYESEN Factory Ignition Cover...
    09401445
    SKU:
    09401445
    Availability:
    Ships Same Business Day
    Weight:
    0.75 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    IGNITION
    COLOR/FINISH:
    POWDER-COATED
    MATERIAL:
    ALUMINUM
    MODEL:
    FACTORY RACING
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $87.95
    Subtotal:
  • BOYESEN Clutch Cover - Gold - Yamaha CC-37AM

    BOYESEN Clutch Cover - Gold - Yamaha CC-37AM

    BOYESEN

    $95.95
    A clutch cover does more than protect—it's a visible statement of your commitment to quality and performance. The BOYESEN Clutch Cover combines lightweight construction with a factory-grade fit that...
    09401371
    SKU:
    09401371
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    COLOR/FINISH:
    MAGNESIUM
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    TYPE:
    CLUTCH
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - Yamaha CC-37AB

    BOYESEN Clutch Cover - Black - Yamaha CC-37AB

    BOYESEN

    $95.95
    A clutch cover does more than protect—it sets the tone for your bike's reliability and appearance. The BOYESEN Lightweight Factory Clutch Cover delivers race-proven durability with a precision-fitted...
    09401370
    SKU:
    09401370
    Availability:
    Ships Same Business Day
    Weight:
    0.80 LBS
    MODEL:
    FACTORY RACING
    TYPE:
    CLUTCH
    COLOR/FINISH:
    POWDER-COATED
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover - Magnesium WPK-38CM

    BOYESEN Impeller/Waterpump Cover - Magnesium WPK-38CM

    BOYESEN

    $219.95
    Engine temperatures spike under load, compromising reliability and power output. The BOYESEN Impeller/Waterpump Cover upgrades your cooling system's core efficiency by increasing coolant flow across...
    09401369
    SKU:
    09401369
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    BASE FINISH:
    POWDER-COATED
    UNITS:
    KIT
    COLOR/FINISH:
    MAGNESIUM
    MATERIAL:
    ALUMINUM
    TYPE:
    WATER PUMP
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    SUPERCOOLER
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $219.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover - Black WPK-38CB

    BOYESEN Impeller/Waterpump Cover - Black WPK-38CB

    BOYESEN

    $219.95
    Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained high-RPM operation. The BOYESEN WPK-38CB water pump cover and impeller upgrade increases...
    09401368
    SKU:
    09401368
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    BASE COLOR:
    BLACK
    MODEL:
    SUPERCOOLER
    TYPE:
    WATER PUMP
    BASE FINISH:
    POWDER-COATED
    MATERIAL:
    ALUMINUM
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    COLOR/FINISH:
    POWDER-COATED
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    $219.95
    Qty in Cart: 0
    Quantity:
    Price:
    $219.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover - Black WPK-37AB

    BOYESEN Impeller/Waterpump Cover - Black WPK-37AB

    BOYESEN

    $219.95
    Engine temperature stability directly impacts performance and longevity—especially under sustained high-RPM operation. The BOYESEN WPK-37AB water pump cover and impeller assembly increases coolant...
    09401366
    SKU:
    09401366
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    BASE FINISH:
    POWDER-COATED
    UNITS:
    KIT
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    SUPERCOOLER
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    WATER PUMP
    BASE COLOR:
    BLACK
    MATERIAL:
    ALUMINUM
    Qty in Cart: 0
    Quantity:
    Price:
    $219.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover - Orange WPK-45O

    BOYESEN Impeller/Waterpump Cover - Orange WPK-45O

    BOYESEN

    $199.95
    Engine coolant flow directly impacts operating temperature stability and component longevity—inadequate cooling creates hot spots that accelerate wear on gaskets, seals, and bearings. The Boyesen...
    09401365
    SKU:
    09401365
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    TYPE:
    WATER PUMP
    COLOR/FINISH:
    ORANGE
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    SUPERCOOLER
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    BASE FINISH:
    POWDER-COATED
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE COLOR:
    ORANGE
    MATERIAL:
    ALUMINUM
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover - Magnesium WPK-45M

    BOYESEN Impeller/Waterpump Cover - Magnesium WPK-45M

    BOYESEN

    $194.95
    Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained high-RPM operation. The Boyesen WPK-45M delivers increased coolant flow across the entire...
    09401364
    SKU:
    09401364
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    COLOR/FINISH:
    POWDER-COATED
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    MODEL:
    SUPERCOOLER
    TYPE:
    WATER PUMP
    BASE FINISH:
    POWDER-COATED
    COLOR/FINISH:
    MAGNESIUM
    MATERIAL:
    ALUMINUM
    Qty in Cart: 0
    Quantity:
    Price:
    $194.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover - Black WPK-45B

    BOYESEN Impeller/Waterpump Cover - Black WPK-45B

    BOYESEN

    $194.95
    Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under high-RPM conditions. The BOYESEN WPK-45B water pump cover and impeller combo increases coolant flow...
    09401363
    SKU:
    09401363
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE FINISH:
    POWDER-COATED
    MATERIAL:
    ALUMINUM
    TYPE:
    WATER PUMP
    BASE COLOR:
    BLACK
    MODEL:
    SUPERCOOLER
    COLOR/FINISH:
    POWDER-COATED
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    $194.95
    Qty in Cart: 0
    Quantity:
    Price:
    $194.95
    Subtotal:
  • BOYESEN Clutch Cover - Gold - KTM/Husaberg CC-45M

    BOYESEN Clutch Cover - Gold - KTM/Husaberg CC-45M

    BOYESEN

    $95.95
    A factory-lightweight clutch cover cuts parasitic weight without sacrificing durability—critical when lap times are measured in hundredths. The individually surfaced design guarantees a leak-free fit...
    09401264
    SKU:
    09401264
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    COLOR/FINISH:
    MAGNESIUM
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    COVER
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    TYPE:
    CLUTCH
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - KTM/Husaberg CC-45B

    BOYESEN Clutch Cover - Black - KTM/Husaberg CC-45B

    BOYESEN

    $95.95
    A lightweight clutch cover isn't just about aesthetics—it's about reducing unsprung weight and minimizing heat retention in high-demand racing conditions. The Boyesen CC-45B is individually surfaced...
    09401263
    SKU:
    09401263
    Availability:
    Ships Same Business Day
    Weight:
    0.86 LBS
    PRODUCT NAME:
    COVER
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover - Orange WPK-44O

    BOYESEN Impeller/Waterpump Cover - Orange WPK-44O

    BOYESEN

    $199.95
    Engine temperatures spike under load, robbing you of reliability and consistent performance—especially critical in racing applications where thermal management directly impacts horsepower delivery...
    09401236
    SKU:
    09401236
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    COLOR/FINISH:
    ORANGE
    COLOR/FINISH:
    POWDER-COATED
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    MODEL:
    SUPERCOOLER
    TYPE:
    WATER PUMP
    BASE COLOR:
    ORANGE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE FINISH:
    POWDER-COATED
    MATERIAL:
    ALUMINUM
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover - Magnesium WPK-44M

    BOYESEN Impeller/Waterpump Cover - Magnesium WPK-44M

    BOYESEN

    $194.95
    Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under sustained high-RPM operation. The BOYESEN WPK-44M water pump cover and impeller combo increases...
    09401235
    SKU:
    09401235
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    COLOR/FINISH:
    POWDER-COATED
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MODEL:
    SUPERCOOLER
    BASE FINISH:
    POWDER-COATED
    COLOR/FINISH:
    MAGNESIUM
    MATERIAL:
    ALUMINUM
    TYPE:
    WATER PUMP
    Qty in Cart: 0
    Quantity:
    Price:
    $194.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover - Black WPK-44B

    BOYESEN Impeller/Waterpump Cover - Black WPK-44B

    BOYESEN

    $194.95
    Engine overheating under load is a performance killer—and stock cooling systems often can't keep pace with modified or high-RPM engines. The Boyesen WPK-44B water pump cover and impeller upgrade...
    09401234
    SKU:
    09401234
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    BLACK
    COLOR/FINISH:
    POWDER-COATED
    MATERIAL:
    ALUMINUM
    MODEL:
    SUPERCOOLER
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    BASE FINISH:
    POWDER-COATED
    TYPE:
    WATER PUMP
    UNITS:
    KIT
    Qty in Cart: 0
    Quantity:
    Price:
    $194.95
    Subtotal:
  • BOYESEN Clutch Cover - Orange - KTM CC-44AO

    BOYESEN Clutch Cover - Orange - KTM CC-44AO

    BOYESEN

    $105.95
    A lightweight clutch cover is essential for reducing rotating mass and improving engine responsiveness, especially in competitive racing environments where every gram matters. The BOYESEN CC-44AO...
    09401233
    SKU:
    09401233
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    COLOR/FINISH:
    ORANGE
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    STREET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    $105.95
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • BOYESEN Clutch Cover - Black - KTM CC-44AB

    BOYESEN Clutch Cover - Black - KTM CC-44AB

    BOYESEN

    $95.95
    A clutch cover isn't just cosmetic—it's your first line of defense against impact, contamination, and heat damage. The BOYESEN Lightweight Clutch Cover delivers race-proven protection without the...
    09401231
    SKU:
    09401231
    Availability:
    Ships Same Business Day
    Weight:
    0.88 LBS
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    COLOR/FINISH:
    POWDER-COATED
    RIDING STYLE:
    STREET
    COLOR/FINISH:
    BLACK
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Orange - KTM CC-41O

    BOYESEN Clutch Cover - Orange - KTM CC-41O

    BOYESEN

    $105.95
    A clutch cover does more than protect—it's a visible statement of your build's quality and attention to detail. The BOYESEN Orange Clutch Cover combines lightweight construction with precision...
    09401230
    SKU:
    09401230
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    PRODUCT NAME:
    COVER
    RIDING STYLE:
    STREET
    UNITS:
    EACH
    COLOR/FINISH:
    ORANGE
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    Qty in Cart: 0
    Quantity:
    Price:
    $105.95
    Subtotal:
  • BOYESEN Clutch Cover - Gold - KTM CC-41M

    BOYESEN Clutch Cover - Gold - KTM CC-41M

    BOYESEN

    $95.95
    A factory-style clutch cover that combines lightweight construction with race-proven durability—essential if you're serious about reducing unsprung weight without sacrificing protection. The...
    09401229
    SKU:
    09401229
    Availability:
    Ships Same Business Day
    Weight:
    0.83 LBS
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    COLOR/FINISH:
    MAGNESIUM
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    STREET
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black CC-41B

    BOYESEN Clutch Cover - Black CC-41B

    BOYESEN

    $95.95
    A clutch cover does more than protect—it's a visible statement of your commitment to quality and performance. The BOYESEN CC-41B delivers a lightweight design that reduces rotating mass while...
    09401228
    SKU:
    09401228
    Availability:
    Ships Same Business Day
    Weight:
    0.82 LBS
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    STREET
    TYPE:
    CLUTCH
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Ignition Cover - Gold - KTM 65 SC-40AM

    BOYESEN Ignition Cover - Gold - KTM 65 SC-40AM

    BOYESEN

    $87.95
    The stock ignition cover on your KTM 65 is vulnerable to the elements—dirt, water, and debris will eventually compromise its seal and appearance. The BOYESEN Factory Ignition Cover replaces that weak...
    09401226
    SKU:
    09401226
    Availability:
    Ships Same Business Day
    Weight:
    0.57 LBS
    COLOR/FINISH:
    MAGNESIUM
    MATERIAL:
    ALUMINUM
    MODEL:
    FACTORY RACING
    PRODUCT NAME:
    COVER
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    IGNITION
    COLOR/FINISH:
    POWDER-COATED
    UNITS:
    EACH
    $87.95
    Qty in Cart: 0
    Quantity:
    Price:
    $87.95
    Subtotal:
  • BOYESEN Clutch Cover - Gold CC-30M

    BOYESEN Clutch Cover - Gold CC-30M

    BOYESEN

    $95.95
    A clutch cover does more than protect—it's a visible statement of your commitment to quality and performance. The BOYESEN Lightweight Clutch Cover CC-30M delivers factory-grade durability without...
    09401125
    SKU:
    09401125
    Availability:
    Ships Same Business Day
    Weight:
    0.68 LBS
    UNITS:
    EACH
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    COLOR/FINISH:
    MAGNESIUM
    PRODUCT NAME:
    COVER
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black CC-30B

    BOYESEN Clutch Cover - Black CC-30B

    BOYESEN

    $95.95
    A clutch cover does more than protect your engine—it's a visible statement of your commitment to quality and performance. The BOYESEN CC-30B delivers lightweight construction without compromise,...
    09401124
    SKU:
    09401124
    Availability:
    Ships Same Business Day
    Weight:
    0.70 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Gold CC-26AM

    BOYESEN Clutch Cover - Gold CC-26AM

    BOYESEN

    $95.95
    A clutch cover isn't just cosmetic—it's your first line of defense against premature wear, contamination, and catastrophic failure. The BOYESEN Clutch Cover CC-26AM delivers lightweight construction...
    09401123
    SKU:
    09401123
    Availability:
    Ships Same Business Day
    Weight:
    0.97 LBS
    COLOR/FINISH:
    MAGNESIUM
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black CC-26AB

    BOYESEN Clutch Cover - Black CC-26AB

    BOYESEN

    $95.95
    Factory clutch covers take a beating on the track and street—exposure to heat cycles, debris, and constant vibration degrades stock designs and creates leak points that compromise engine reliability...
    09401122
    SKU:
    09401122
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MODEL:
    FACTORY RACING
    TYPE:
    CLUTCH
    COLOR/FINISH:
    POWDER-COATED
    UNITS:
    EACH
    COLOR/FINISH:
    BLACK
    PRODUCT NAME:
    COVER
    RIDING STYLE:
    OFF-ROAD
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Gold CC-18M

    BOYESEN Clutch Cover - Gold CC-18M

    BOYESEN

    $95.95
    A clutch cover does more than just protect—it's a visible statement of your commitment to precision engineering and race-proven durability. The BOYESEN Clutch Cover CC-18M delivers lightweight...
    09401120
    SKU:
    09401120
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    TYPE:
    CLUTCH
    PRODUCT NAME:
    COVER
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    COLOR/FINISH:
    MAGNESIUM
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - Black CC-18B

    BOYESEN Clutch Cover - Black CC-18B

    BOYESEN

    $95.95
    A quality clutch cover does more than protect—it's the foundation for a reliable, leak-free clutch system that won't let you down on track or trail. The BOYESEN CC-18B delivers lightweight...
    09401119
    SKU:
    09401119
    Availability:
    Ships Same Business Day
    Weight:
    0.82 LBS
    PRODUCT NAME:
    COVER
    UNITS:
    EACH
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    ATV
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    $95.95
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN HY-FLO Water Pump Elbow WPE-18M

    BOYESEN HY-FLO Water Pump Elbow WPE-18M

    BOYESEN

    $29.95
    Cavitation in your cooling system directly kills engine performance and longevity—and stock water pump elbows are notorious for trapping heat and air pockets in their angled passages. The Boyesen...
    09401101
    SKU:
    09401101
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    PRODUCT NAME:
    ELBOW
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    WATER PUMP
    UNITS:
    EACH
    BASE COLOR:
    BLACK
    COLOR/FINISH:
    MAGNESIUM
    MODEL:
    HY-FLO
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • BOYESEN HY-FLO Water Pump Elbow WPE-18B

    BOYESEN HY-FLO Water Pump Elbow WPE-18B

    BOYESEN

    $29.95
    Cavitation and heat buildup in your cooling system directly reduce engine reliability and performance—especially under sustained high-rpm racing conditions. The BOYESEN HY-FLO Water Pump Elbow...
    09401100
    SKU:
    09401100
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    TYPE:
    WATER PUMP
    BASE COLOR:
    BLACK
    PRODUCT NAME:
    ELBOW
    MODEL:
    HY-FLO
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover - Black WPK-28B

    BOYESEN Impeller/Waterpump Cover - Black WPK-28B

    BOYESEN

    $219.95
    Engine cooling performance directly impacts reliability and longevity, especially under sustained high-RPM operation. The Boyesen WPK-28B delivers increased coolant flow across your entire RPM range,...
    09401084
    SKU:
    09401084
    Availability:
    Ships Same Business Day
    Weight:
    0.50 LBS
    BASE COLOR:
    BLACK
    MODEL:
    SUPERCOOLER
    TYPE:
    WATER PUMP
    BASE FINISH:
    POWDER-COATED
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    UNITS:
    KIT
    COLOR/FINISH:
    POWDER-COATED
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    RIDING STYLE:
    ATV
    $219.95
    Qty in Cart: 0
    Quantity:
    Price:
    $219.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover WPK-38AM

    BOYESEN Impeller/Waterpump Cover WPK-38AM

    BOYESEN

    $194.95
    Cooling system efficiency directly impacts engine longevity and performance consistency under sustained load. The BOYESEN WPK-38AM delivers measurable flow improvements across the entire RPM range,...
    09400978
    SKU:
    09400978
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    COLOR/FINISH:
    POWDER-COATED
    MATERIAL:
    ALUMINUM
    MODEL:
    SUPERCOOLER
    BASE FINISH:
    POWDER-COATED
    COLOR/FINISH:
    MAGNESIUM
    TYPE:
    WATER PUMP
    UNITS:
    KIT
    $194.95
    Qty in Cart: 0
    Quantity:
    Price:
    $194.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover WPK-38AB

    BOYESEN Impeller/Waterpump Cover WPK-38AB

    BOYESEN

    $194.95
    Engine coolant flow directly impacts thermal stability and longevity—inadequate circulation forces your engine to work harder and run hotter, compromising performance and reliability. The BOYESEN...
    09400977
    SKU:
    09400977
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    BASE COLOR:
    BLACK
    COLOR/FINISH:
    POWDER-COATED
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    MODEL:
    SUPERCOOLER
    TYPE:
    WATER PUMP
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    BASE FINISH:
    POWDER-COATED
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    $194.95
    Qty in Cart: 0
    Quantity:
    Price:
    $194.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover WPK-07AM

    BOYESEN Impeller/Waterpump Cover WPK-07AM

    BOYESEN

    $194.95
    Stock water pump covers restrict coolant flow, forcing your engine to work harder to maintain optimal operating temperature. The BOYESEN Impeller/Waterpump Cover WPK-07AM replaces that restriction...
    09400975
    SKU:
    09400975
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    SUPERCOOLER
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    WATER PUMP
    BASE FINISH:
    POWDER-COATED
    UNITS:
    KIT
    COLOR/FINISH:
    MAGNESIUM
    MATERIAL:
    ALUMINUM
    $194.95
    Qty in Cart: 0
    Quantity:
    Price:
    $194.95
    Subtotal:
  • BOYESEN Impeller/Waterpump Cover WPK-07AB

    BOYESEN Impeller/Waterpump Cover WPK-07AB

    BOYESEN

    $194.95
    Engine cooling efficiency directly impacts performance, reliability, and longevity—especially under high-demand conditions. The BOYESEN WPK-07AB water pump cover and impeller combo increases coolant...
    09400974
    SKU:
    09400974
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    BASE COLOR:
    BLACK
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    SUPERCOOLER
    PRODUCT NAME:
    COVER AND IMPELLER KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    WATER PUMP
    BASE FINISH:
    POWDER-COATED
    COLOR/FINISH:
    BLACK
    MATERIAL:
    ALUMINUM
    $194.95
    Qty in Cart: 0
    Quantity:
    Price:
    $194.95
    Subtotal:
  • BOYESEN Clutch Cover - YZ450F/X CC-38CM

    BOYESEN Clutch Cover - YZ450F/X CC-38CM

    BOYESEN

    $95.95
    A factory-spec clutch cover that combines lightweight construction with race-proven durability—exactly what you need to reduce rotating mass while maintaining reliable protection on the track or...
    09400972
    SKU:
    09400972
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    MODEL:
    FACTORY RACING
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    CLUTCH
    UNITS:
    EACH
    COLOR/FINISH:
    MAGNESIUM
    COLOR/FINISH:
    POWDER-COATED
    PRODUCT NAME:
    COVER
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - YZ450F/X CC-38CB

    BOYESEN Clutch Cover - YZ450F/X CC-38CB

    BOYESEN

    $95.95
    A factory-spec clutch cover that delivers the lightweight advantage you need on the track without compromising protection or longevity. Boyesen's individually surfaced design eliminates the fitment...
    09400971
    SKU:
    09400971
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    COLOR/FINISH:
    BLACK
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    TYPE:
    CLUTCH
    UNITS:
    EACH
    PRODUCT NAME:
    COVER
    Qty in Cart: 0
    Quantity:
    Price:
    $95.95
    Subtotal:
  • BOYESEN Clutch Cover - CRF250R CC-07AM

    BOYESEN Clutch Cover - CRF250R CC-07AM

    BOYESEN

    $117.95
    If you're running a CRF250R in competition or pushing hard on the track, your clutch cover takes a beating from heat, debris, and vibration. The BOYESEN Clutch Cover CC-07AM replaces that worn or...
    09400969
    SKU:
    09400969
    Availability:
    Ships Same Business Day
    Weight:
    0.81 LBS
    COLOR/FINISH:
    MAGNESIUM
    RIDING STYLE:
    OFF-ROAD
    COLOR/FINISH:
    POWDER-COATED
    MODEL:
    FACTORY RACING
    TYPE:
    CLUTCH
    UNITS:
    EACH
    PRODUCT NAME:
    COVER
    $117.95
    Qty in Cart: 0
    Quantity:
    Price:
    $117.95
    Subtotal:
  • Total: items /

Adding your products to cart

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

SECURE & SAFE PAYMENT

EASY RETURNS

FAST DELIVERY

AUTHORIZED DEALER