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KIBBLEWHITE

KIBBLEWHITE

KIBBLEWHITE

Kibblewhite Valvetrain Components and Engine Parts at JJ Motorsports

Kibblewhite Precision Machining, commonly known as Kibblewhite, has been a trusted leader in engine components since its establishment in 1936. With a focus on precision and quality, the brand serves the automotive and powersports industries, providing high-performance parts for racers and enthusiasts worldwide. Kibblewhite specializes in valvetrain components such as valves, valve springs, guides, and seals, all crafted to enhance engine performance, durability, and reliability under demanding conditions.

At JJ Motorsports, we offer a comprehensive selection of Kibblewhite products to optimize your engine's performance. For safe compression maximization, consider the Kibblewhite Piston System 80-81200, featuring convex valve reliefs that match valve geometry and convert to Black Diamond technology. Riders seeking superior wear and thermal conductivity can opt for the Kibblewhite Cast Iron Valve Seat - Exhaust - Evolution 10-SC446, compatible with all fuel blends. Enhance your valvetrain with the Kibblewhite Exhaust Valve 20-21063K, CNC machined from EV8 Stainless Steel or Inconel-751 with a hard chrome coating, or the Kibblewhite Intake Valve 20-21061H for similar high-performance benefits. For boosted applications, the Kibblewhite Spring Kit 20-23600 offers increased spring rates and CNC-machined titanium components.

Kibblewhite's products deliver significant advantages, including improved engine efficiency, longevity, and superior wear resistance through high-grade materials and advanced manufacturing. Key features encompass state-of-the-art techniques like Black Diamond valves for extreme durability, high lift compatibility, and designs that minimize breakdowns while extending vehicle life in racing and high-performance scenarios.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • KIBBLEWHITE Spring Kit 40-40100

    KIBBLEWHITE Spring Kit 40-40100

    KIBBLEWHITE

    $220.26
    Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves, Spring kits come complete for one...
    09260167
    SKU:
    09260167
    Availability:
    Ships Same Business Day
    Weight:
    0.34 LBS
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    SPRING OPEN PRESSURE:
    155 LB
    TYPE:
    VALVE
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    SPRING LIFT IMPERIAL:
    0.445'
    $220.26
    Qty in Cart: 0
    Quantity:
    Price:
    $220.26
    Subtotal:
  • KIBBLEWHITE Intake Valve - KX/RMZ - Standard 40-40140H

    KIBBLEWHITE Intake Valve - KX/RMZ - Standard 40-40140H

    KIBBLEWHITE

    $37.55
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion...
    09260170
    SKU:
    09260170
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.1765'
    APPLICATION:
    INTAKE
    LENGTH IMPERIAL:
    3.120'
    UNITS:
    EACH
    HEAD DIAMETER METRIC:
    31.00 MM
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    RIDING STYLE:
    OFF-ROAD
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - KX/RMZ - Standard 40-40143H

    KIBBLEWHITE Exhaust Valve - KX/RMZ - Standard 40-40143H

    KIBBLEWHITE

    $37.55
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion...
    09260172
    SKU:
    09260172
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    TULIP ANGLE:
    25°
    STEM DIAMETER IMPERIAL:
    0.1756'
    APPLICATION:
    EXHAUST
    LENGTH IMPERIAL:
    3.125'
    MODEL:
    BLACK DIAMONDâ„¢
    HEAD DIAMETER METRIC:
    25.00 MM
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Valve Guide 82-82030

    KIBBLEWHITE Valve Guide 82-82030

    KIBBLEWHITE

    $26.43
    All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.
    09260175
    SKU:
    09260175
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    VALVE GUIDE
    APPLICATION:
    EXHAUST
    OUTSIDE DIAMETER IMPERIAL:
    0.4160'
    SIZE IMPERIAL:
    STANDARD
    INSIDE DIAMETER IMPERIAL:
    0.2345'
    MATERIAL:
    C630 BRONZE
    APPLICATION:
    INTAKE
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $26.43
    Qty in Cart: 0
    Quantity:
    Price:
    $26.43
    Subtotal:
  • KIBBLEWHITE Intake Valve - Polaris 500 - Standard 82-82052

    KIBBLEWHITE Intake Valve - Polaris 500 - Standard 82-82052

    KIBBLEWHITE

    $37.55
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion...
    09260179
    SKU:
    09260179
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    LENGTH IMPERIAL:
    4.030'
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    37.00 MM
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.2345'
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Intake Valve 80-80214H

    KIBBLEWHITE Intake Valve 80-80214H

    KIBBLEWHITE

    $37.55
    White Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360º anode, to produce an even coat of the highest grade hard chrome finish,...
    09260107
    SKU:
    09260107
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD DIAMETER METRIC:
    28.00 MM
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    APPLICATION:
    INTAKE
    RIDING STYLE:
    ATV
    TULIP ANGLE:
    15°
    UNITS:
    EACH
    MODEL:
    WHITE DIAMONDâ„¢
    RIDING STYLE:
    OFF-ROAD
    STEM DIAMETER IMPERIAL:
    0.1765'
    LENGTH IMPERIAL:
    3.030'
    SIZE METRIC:
    OVERSIZE
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Intake Valve 80-80215H

    KIBBLEWHITE Intake Valve 80-80215H

    KIBBLEWHITE

    $37.55
    White Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360º anode, to produce an even coat of the highest grade hard chrome finish,...
    09260108
    SKU:
    09260108
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    STEM DIAMETER IMPERIAL:
    0.1765'
    HEAD DIAMETER METRIC:
    27.00 MM
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    SIZE METRIC:
    STANDARD
    APPLICATION:
    CENTER INTAKE
    LENGTH IMPERIAL:
    3.000'
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    MODEL:
    WHITE DIAMONDâ„¢
    TULIP ANGLE:
    15°
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Intake Valve 80-80216H

    KIBBLEWHITE Intake Valve 80-80216H

    KIBBLEWHITE

    $37.55
    White Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360º anode, to produce an even coat of the highest grade hard chrome finish,...
    09260109
    SKU:
    09260109
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    STEM DIAMETER IMPERIAL:
    0.1765'
    APPLICATION:
    CENTER INTAKE
    LENGTH IMPERIAL:
    2.990'
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    HEAD DIAMETER METRIC:
    28.00 MM
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    MODEL:
    WHITE DIAMONDâ„¢
    RIDING STYLE:
    OFF-ROAD
    SIZE METRIC:
    OVERSIZE
    TULIP ANGLE:
    15°
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 80-80218H

    KIBBLEWHITE Exhaust Valve 80-80218H

    KIBBLEWHITE

    $37.55
    White Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360º anode, to produce an even coat of the highest grade hard chrome finish,...
    09260111
    SKU:
    09260111
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    LENGTH IMPERIAL:
    2.945'
    MODEL:
    WHITE DIAMONDâ„¢
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    STEM DIAMETER IMPERIAL:
    0.1956'
    UNITS:
    EACH
    HEAD DIAMETER METRIC:
    29.00 MM
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    SIZE METRIC:
    OVERSIZE
    TULIP ANGLE:
    20°
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Spring Kit 80-80066

    KIBBLEWHITE Spring Kit 80-80066

    KIBBLEWHITE

    $317.71
    Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves, Spring kits come complete for one...
    09260112
    SKU:
    09260112
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    TYPE:
    VALVE
    APPLICATION:
    INTAKE
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    SPRING LIFT IMPERIAL:
    0.380'
    SPRING OPEN PRESSURE:
    86 LB
    $317.71
    Qty in Cart: 0
    Quantity:
    Price:
    $317.71
    Subtotal:
  • KIBBLEWHITE Intake Valve Guide 80-80080

    KIBBLEWHITE Intake Valve Guide 80-80080

    KIBBLEWHITE

    $15.92
    All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.
    09260113
    SKU:
    09260113
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE GUIDE
    UNITS:
    EACH
    MATERIAL:
    C630 BRONZE
    INSIDE DIAMETER IMPERIAL:
    0.1570'
    OUTSIDE DIAMETER IMPERIAL:
    0.3563'
    SIZE IMPERIAL:
    STANDARD
    $15.92
    Qty in Cart: 0
    Quantity:
    Price:
    $15.92
    Subtotal:
  • KIBBLEWHITE Exhaust Valve Guide 80-80090

    KIBBLEWHITE Exhaust Valve Guide 80-80090

    KIBBLEWHITE

    $15.92
    All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.
    09260118
    SKU:
    09260118
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    VALVE GUIDE
    MATERIAL:
    C630 BRONZE
    RIDING STYLE:
    OFF-ROAD
    INSIDE DIAMETER IMPERIAL:
    0.1760'
    OUTSIDE DIAMETER IMPERIAL:
    0.3958'
    SIZE IMPERIAL:
    STANDARD
    APPLICATION:
    EXHAUST
    UNITS:
    EACH
    $15.92
    Qty in Cart: 0
    Quantity:
    Price:
    $15.92
    Subtotal:
  • KIBBLEWHITE Intake Valve - YZ250F - Standard 80-80073

    KIBBLEWHITE Intake Valve - YZ250F - Standard 80-80073

    KIBBLEWHITE

    $37.55
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion...
    09260123
    SKU:
    09260123
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    23.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.1568'
    LENGTH IMPERIAL:
    3.150'
    TULIP ANGLE:
    25°
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Center Intake Valve - YZ250F - Standard 80-80075

    KIBBLEWHITE Center Intake Valve - YZ250F - Standard 80-80075

    KIBBLEWHITE

    $37.55
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion...
    09260124
    SKU:
    09260124
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    CENTER INTAKE
    LENGTH IMPERIAL:
    3.095'
    MODEL:
    BLACK DIAMONDâ„¢
    TULIP ANGLE:
    25°
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.1568'
    UNITS:
    EACH
    HEAD DIAMETER METRIC:
    23.00 MM
    RIDING STYLE:
    OFF-ROAD
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - YZ250F - Standard 80-80077

    KIBBLEWHITE Exhaust Valve - YZ250F - Standard 80-80077

    KIBBLEWHITE

    $37.55
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion...
    09260125
    SKU:
    09260125
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD DIAMETER METRIC:
    24.50 MM
    TULIP ANGLE:
    25°
    LENGTH IMPERIAL:
    3.070'
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.1758'
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - Evolution 20-4170R

    KIBBLEWHITE Exhaust Valve - Evolution 20-4170R

    KIBBLEWHITE

    $26.62
    One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process...
    09260127
    SKU:
    09260127
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    APPLICATION:
    EXHAUST
    MODEL:
    BLACK DIAMONDâ„¢
    RIDING STYLE:
    STREET
    LENGTH IMPERIAL:
    4.525'
    UNITS:
    EACH
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.3096'
    HEAD DIAMETER IMPERIAL:
    1.630'
    TULIP ANGLE:
    40°
    $26.62
    Qty in Cart: 0
    Quantity:
    Price:
    $26.62
    Subtotal:
  • KIBBLEWHITE Spring Kit 30-30590

    KIBBLEWHITE Spring Kit 30-30590

    KIBBLEWHITE

    $229.93
    Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves, Spring kits come complete for one...
    09260210
    SKU:
    09260210
    Availability:
    Ships Same Business Day
    Weight:
    0.37 LBS
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    SPRING LIFT IMPERIAL:
    0.350'
    SPRING OPEN PRESSURE:
    145 LB
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    MATERIAL:
    TITANIUM
    $229.93
    Qty in Cart: 0
    Quantity:
    Price:
    $229.93
    Subtotal:
  • KIBBLEWHITE Intake Valve - CRF250R - Standard 30-30630

    KIBBLEWHITE Intake Valve - CRF250R - Standard 30-30630

    KIBBLEWHITE

    $37.55
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion...
    09260211
    SKU:
    09260211
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    APPLICATION:
    INTAKE
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    UNITS:
    EACH
    MODEL:
    BLACK DIAMONDâ„¢
    HEAD DIAMETER METRIC:
    31.00 MM
    RIDING STYLE:
    OFF-ROAD
    STEM DIAMETER IMPERIAL:
    0.1961'
    LENGTH IMPERIAL:
    3.280'
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - CRF250R - Standard 30-30633

    KIBBLEWHITE Exhaust Valve - CRF250R - Standard 30-30633

    KIBBLEWHITE

    $37.55
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion...
    09260213
    SKU:
    09260213
    Availability:
    Ships Same Business Day
    Weight:
    0.18 LBS
    LENGTH IMPERIAL:
    3.235'
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    ATV
    TULIP ANGLE:
    20°
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    MODEL:
    BLACK DIAMONDâ„¢
    HEAD DIAMETER METRIC:
    26.00 MM
    RIDING STYLE:
    OFF-ROAD
    STEM DIAMETER IMPERIAL:
    0.1956'
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 60-60045

    KIBBLEWHITE Valve Spring Kit 60-60045

    KIBBLEWHITE

    $148.65
    Black Diamond™ valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; White Diamond® valves feature...
    09260215
    SKU:
    09260215
    Availability:
    Ships Same Business Day
    Weight:
    0.55 LBS
    APPLICATION:
    INTAKE
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    APPLICATION:
    EXHAUST
    SPRING OPEN PRESSURE:
    171 LB
    SPRING SEAT PRESSURE:
    57 LB
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    SPRING LIFT:
    0,440'
    SPRING LIFT IMPERIAL:
    0.440'
    TYPE:
    VALVE
    UNITS:
    KIT
    $148.65
    Qty in Cart: 0
    Quantity:
    Price:
    $148.65
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 30-30640

    KIBBLEWHITE Valve Spring Kit 30-30640

    KIBBLEWHITE

    $207.81
    Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves, Spring kits come complete for one...
    09260137
    SKU:
    09260137
    Availability:
    Ships Same Business Day
    Weight:
    0.43 LBS
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    SPRING LIFT IMPERIAL:
    0.440'
    APPLICATION:
    INTAKE
    SPRING OPEN PRESSURE:
    INTAKE 147 LB, EXHAUST 203 LB
    TYPE:
    VALVE
    $207.81
    Qty in Cart: 0
    Quantity:
    Price:
    $207.81
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 30-30720

    KIBBLEWHITE Valve Spring Kit 30-30720

    KIBBLEWHITE

    $207.81
    Black Diamond™ valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; White Diamond® valves feature...
    09260138
    SKU:
    09260138
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    APPLICATION:
    EXHAUST
    SPRING LIFT:
    0,440'
    SPRING LIFT IMPERIAL:
    0.440'
    SPRING SEAT PRESSURE:
    INTAKE 40 LB, EXHAUST 70 LB
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    SPRING OPEN PRESSURE:
    INTAKE 147 LB, EXHAUST 203 LB
    TYPE:
    VALVE
    $207.81
    Qty in Cart: 0
    Quantity:
    Price:
    $207.81
    Subtotal:
  • KIBBLEWHITE Intake Valve - TRX450R - 36mm 30-30750

    KIBBLEWHITE Intake Valve - TRX450R - 36mm 30-30750

    KIBBLEWHITE

    $31.01
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion...
    09260139
    SKU:
    09260139
    Availability:
    Ships Same Business Day
    Weight:
    0.12 LBS
    LENGTH IMPERIAL:
    3.315'
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    36.00 MM
    RIDING STYLE:
    ATV
    STEM DIAMETER IMPERIAL:
    0.2158'
    UNITS:
    EACH
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - TRX450R - 30mm 30-30753

    KIBBLEWHITE Exhaust Valve - TRX450R - 30mm 30-30753

    KIBBLEWHITE

    $31.01
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion...
    09260141
    SKU:
    09260141
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    HEAD DIAMETER METRIC:
    30.00 MM
    LENGTH IMPERIAL:
    3.315'
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    ATV
    TULIP ANGLE:
    20°
    UNITS:
    EACH
    STEM DIAMETER IMPERIAL:
    0.2151'
    APPLICATION:
    EXHAUST
    MODEL:
    BLACK DIAMONDâ„¢
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 60-60280

    KIBBLEWHITE Valve Spring Kit 60-60280

    KIBBLEWHITE

    $220.26
    Black Diamond™ valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; White Diamond® valves feature...
    09260241
    SKU:
    09260241
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    SPRING SEAT PRESSURE:
    INTAKE 61 LB, EXHAUST 56 LB
    UNITS:
    KIT
    MATERIAL:
    STEEL
    SPRING LIFT IMPERIAL:
    0.415'
    TYPE:
    VALVE
    APPLICATION:
    INTAKE
    MATERIAL:
    TITANIUM
    RIDING STYLE:
    ATV
    SPRING OPEN PRESSURE:
    INTAKE 168 LB, EXHAUST 157 LB
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    SPRING LIFT:
    0,415'
    $220.26
    Qty in Cart: 0
    Quantity:
    Price:
    $220.26
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - LTR 450 - Standard 60-60313

    KIBBLEWHITE Exhaust Valve - LTR 450 - Standard 60-60313

    KIBBLEWHITE

    $37.55
    Black Diamondâ„¢ valves are CNC machined from one-piece forgings of EV8 Stainless Steel, Black Diamondâ„¢ proprietary multi-stage process reduces friction, and provides superior resistance to corrosion...
    09260246
    SKU:
    09260246
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    EXHAUST
    LENGTH IMPERIAL:
    3.190'
    MODEL:
    BLACK DIAMONDâ„¢
    HEAD DIAMETER METRIC:
    29.00 MM
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    ATV
    STEM DIAMETER IMPERIAL:
    0.2150'
    TULIP ANGLE:
    20°
    UNITS:
    EACH
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 80-80100

    KIBBLEWHITE Valve Spring Kit 80-80100

    KIBBLEWHITE

    $221.92
    Spring kits contain springs and titanium upper collars; lower collars included as required; spring kits are engineered for use with standard and oversized valves, Spring kits come complete for one...
    09260249
    SKU:
    09260249
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    SPRING LIFT IMPERIAL:
    0.375'
    SPRING OPEN PRESSURE:
    85 LB
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    TYPE:
    VALVE
    MATERIAL:
    TITANIUM
    UNITS:
    KIT
    $221.92
    Qty in Cart: 0
    Quantity:
    Price:
    $221.92
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 80-80410

    KIBBLEWHITE Valve Spring Kit 80-80410

    KIBBLEWHITE

    $166.54
    Black Diamond™ valves feature one-piece stainless steel construction with stellite tips and special impregnation to improve wear properties and reduce friction; White Diamond® valves feature...
    09260250
    SKU:
    09260250
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    SPRING LIFT IMPERIAL:
    0.480'
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    SPRING LIFT:
    0,480'
    APPLICATION:
    EXHAUST
    SPRING SEAT PRESSURE:
    54 LB
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    RIDING STYLE:
    ATV
    SPRING OPEN PRESSURE:
    195 LB
    TYPE:
    VALVE
    UNITS:
    KIT
    $166.54
    Qty in Cart: 0
    Quantity:
    Price:
    $166.54
    Subtotal:
  • KIBBLEWHITE Valve Guide 80-80420

    KIBBLEWHITE Valve Guide 80-80420

    KIBBLEWHITE

    $19.83
    All valve guides are made of Ampco-45, a high-performance compound with 80% copper content to provide great heat conductivity and 5% nickel content for wear resistance, Made in the U.S.A.
    09260251
    SKU:
    09260251
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    APPLICATION:
    EXHAUST
    INSIDE DIAMETER IMPERIAL:
    0.2350'
    MATERIAL:
    C630 BRONZE
    RIDING STYLE:
    UTV
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE GUIDE
    RIDING STYLE:
    ATV
    SIZE IMPERIAL:
    STANDARD
    UNITS:
    EACH
    OUTSIDE DIAMETER IMPERIAL:
    0.4550'
    $19.83
    Qty in Cart: 0
    Quantity:
    Price:
    $19.83
    Subtotal:
  • KIBBLEWHITE Valve Seals - Evolution 71008-4

    KIBBLEWHITE Valve Seals - Evolution 71008-4

    KIBBLEWHITE

    $11.94
    For use with intake and exhaust valve guides, Retain their ability to seal in adverse conditions, PTFE seals feature a metal jacket with choker spring, Made in the U.S.A.
    09260327
    SKU:
    09260327
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    APPLICATION:
    INTAKE
    MATERIAL:
    PTFE
    TYPE:
    VALVE
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SEAL
    RIDING STYLE:
    STREET
    UNITS:
    4 PACK
    $11.94
    Qty in Cart: 0
    Quantity:
    Price:
    $11.94
    Subtotal:
  • KIBBLEWHITE Intake Valve - 1200 XL 20-2013

    KIBBLEWHITE Intake Valve - 1200 XL 20-2013

    KIBBLEWHITE

    $31.01
    One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process...
    09260328
    SKU:
    09260328
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    LENGTH IMPERIAL:
    4.480'
    STEM DIAMETER IMPERIAL:
    0.3100'
    APPLICATION:
    INTAKE
    UNITS:
    EACH
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    HEAD DIAMETER IMPERIAL:
    1.710'
    MODEL:
    BLACK DIAMONDâ„¢
    RIDING STYLE:
    STREET
    TULIP ANGLE:
    23°
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - 1200 XL 20-2014

    KIBBLEWHITE Exhaust Valve - 1200 XL 20-2014

    KIBBLEWHITE

    $31.01
    One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process...
    09260329
    SKU:
    09260329
    Availability:
    Ships Same Business Day
    Weight:
    0.19 LBS
    HEAD DIAMETER IMPERIAL:
    1.475'
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    LENGTH IMPERIAL:
    4.560'
    MODEL:
    BLACK DIAMONDâ„¢
    RIDING STYLE:
    STREET
    TULIP ANGLE:
    40°
    STEM DIAMETER IMPERIAL:
    0.3095'
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Intake Valve - Twin Cam 20-20055

    KIBBLEWHITE Intake Valve - Twin Cam 20-20055

    KIBBLEWHITE

    $29.81
    One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process...
    09260330
    SKU:
    09260330
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    STEM DIAMETER IMPERIAL:
    0.3106'
    HEAD DIAMETER IMPERIAL:
    1.840'
    LENGTH IMPERIAL:
    4.445'
    TULIP ANGLE:
    23°
    MODEL:
    BLACK DIAMONDâ„¢
    RIDING STYLE:
    STREET
    APPLICATION:
    INTAKE
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    $29.81
    Qty in Cart: 0
    Quantity:
    Price:
    $29.81
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - Twin Cam 20-20057

    KIBBLEWHITE Exhaust Valve - Twin Cam 20-20057

    KIBBLEWHITE

    $29.81
    One-piece stainless-steel, stellite-tipped valves impregnated by a special nitrided process with .002" depth and .0002" surface buildup to improve wear properties and reduce friction, This process...
    09260331
    SKU:
    09260331
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    LENGTH IMPERIAL:
    4.505'
    RIDING STYLE:
    STREET
    STEM DIAMETER IMPERIAL:
    0.3095'
    UNITS:
    EACH
    HEAD DIAMETER IMPERIAL:
    1.565'
    TULIP ANGLE:
    17°
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    $29.81
    Qty in Cart: 0
    Quantity:
    Price:
    $29.81
    Subtotal:
  • KIBBLEWHITE Valve Springs - Standard 40-0449

    KIBBLEWHITE Valve Springs - Standard 40-0449

    KIBBLEWHITE

    $71.06
    Extensive R&D on all applications to provide high-performance components that last longer than OEM, Super-clean silicon wire used in valve springs is ground, not shaved, and X-rayed at regular...
    09260332
    SKU:
    09260332
    Availability:
    Ships Same Business Day
    Weight:
    0.90 LBS
    UNITS:
    KIT
    RIDING STYLE:
    SNOW
    TYPE:
    VALVE
    SPRING SEAT PRESSURE:
    90 LB
    PRODUCT NAME:
    SPRING
    RIDING STYLE:
    STREET
    SPRING LIFT IMPERIAL:
    0.425'
    SPRING OPEN PRESSURE:
    245 LB
    $71.06
    Qty in Cart: 0
    Quantity:
    Price:
    $71.06
    Subtotal:
  • KIBBLEWHITE Intake Valve Guide 40-0478

    KIBBLEWHITE Intake Valve Guide 40-0478

    KIBBLEWHITE

    $19.83
    Precision-machined from C630, Compatible with no-lead fuel and accept any type of valve-stem material, Provide maximum service with chromed valve stems, Feature a tapered nose design for maximum...
    09260333
    SKU:
    09260333
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    BROWN
    RIDING STYLE:
    STREET
    SIZE IMPERIAL:
    STANDARD
    MATERIAL:
    C630 BRONZE
    APPLICATION:
    INTAKE
    COLOR/FINISH:
    BRONZE
    PRODUCT NAME:
    VALVE GUIDE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    INSIDE DIAMETER IMPERIAL:
    0.2745'
    OUTSIDE DIAMETER IMPERIAL:
    0.4752'
    $19.83
    Qty in Cart: 0
    Quantity:
    Price:
    $19.83
    Subtotal:
  • KIBBLEWHITE Intake Valve Guide 40-0479

    KIBBLEWHITE Intake Valve Guide 40-0479

    KIBBLEWHITE

    $19.83
    Precision-machined from C630, Compatible with no-lead fuel and accept any type of valve-stem material, Provide maximum service with chromed valve stems, Feature a tapered nose design for maximum...
    09260334
    SKU:
    09260334
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    BASE COLOR:
    BROWN
    MATERIAL:
    C630 BRONZE
    OUTSIDE DIAMETER IMPERIAL:
    0.4772'
    RIDING STYLE:
    STREET
    SIZE IMPERIAL:
    OVERSIZE (+0.002')
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE GUIDE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    COLOR/FINISH:
    BRONZE
    INSIDE DIAMETER IMPERIAL:
    0.2745'
    $19.83
    Qty in Cart: 0
    Quantity:
    Price:
    $19.83
    Subtotal:
  • KIBBLEWHITE Exhaust Valve Guide 40-0482

    KIBBLEWHITE Exhaust Valve Guide 40-0482

    KIBBLEWHITE

    $19.83
    Precision-machined from C630, Compatible with no-lead fuel and accept any type of valve-stem material, Provide maximum service with chromed valve stems, Feature a tapered nose design for maximum...
    09260335
    SKU:
    09260335
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    MATERIAL:
    C630 BRONZE
    RIDING STYLE:
    STREET
    SIZE IMPERIAL:
    STANDARD
    APPLICATION:
    EXHAUST
    BASE COLOR:
    BROWN
    PRODUCT NAME:
    VALVE GUIDE
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    UNITS:
    EACH
    COLOR/FINISH:
    BRONZE
    INSIDE DIAMETER IMPERIAL:
    0.2745'
    OUTSIDE DIAMETER IMPERIAL:
    0.4752'
    $19.83
    Qty in Cart: 0
    Quantity:
    Price:
    $19.83
    Subtotal:
  • KIBBLEWHITE Intake Valve 40-4180H

    KIBBLEWHITE Intake Valve 40-4180H

    KIBBLEWHITE

    $37.55
    White Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360º anode, to produce an even coat of the highest grade hard chrome finish,...
    09260349
    SKU:
    09260349
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    RIDING STYLE:
    STREET
    TULIP ANGLE:
    23°
    HEAD DIAMETER METRIC:
    36.00 MM
    LENGTH IMPERIAL:
    3.615'
    PRODUCT NAME:
    VALVE
    MODEL:
    WHITE DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.2745'
    APPLICATION:
    INTAKE
    MATERIAL:
    STAINLESS STEEL
    SIZE METRIC:
    STANDARD
    UNITS:
    EACH
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 40-4183H

    KIBBLEWHITE Exhaust Valve 40-4183H

    KIBBLEWHITE

    $37.55
    White Diamond™ valves are CNC machined from one-piece forgings of EV8 Stainless Steel or Inconel-751, Electroplated with a 360º anode, to produce an even coat of the highest grade hard chrome finish,...
    09260351
    SKU:
    09260351
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    EXHAUST
    LENGTH IMPERIAL:
    3.555'
    RIDING STYLE:
    STREET
    STEM DIAMETER IMPERIAL:
    0.2745'
    TULIP ANGLE:
    29°
    HEAD DIAMETER METRIC:
    30.00 MM
    UNITS:
    EACH
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    SIZE METRIC:
    STANDARD
    MODEL:
    WHITE DIAMONDâ„¢
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    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

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