Select Your Ride

1
2
3

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 Compression Release - M10 - 1.050" 20-21250

    KIBBLEWHITE Compression Release - M10 - 1.050" 20-21250

    KIBBLEWHITE

    $49.71
    Help reduce hot start issues and starter/battery loads, Have 5-7 Newtons of closing force resistance, Custom molded knobs ensure they stay cool to the touch and are easy to operate, Require an M10 x...
    09500887
    SKU:
    09500887
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    STREET
    UNITS:
    PAIR
    DIAMETER - THREAD SIZE:
    M10 X 1.0
    DIAMETER - THREAD SIZE METRIC:
    M10 X 1.0
    COLOR/FINISH:
    BLACK
    COLOR/FINISH:
    CHROME
    LENGTH IMPERIAL:
    1.400'
    PRODUCT NAME:
    VALVE
    TYPE:
    COMPRESSION RELEASE
    $49.71
    Qty in Cart: 0
    Quantity:
    Price:
    $49.71
    Subtotal:
  • KIBBLEWHITE Compression Release - M10 - 1.050" 20-21255

    KIBBLEWHITE Compression Release - M10 - 1.050" 20-21255

    KIBBLEWHITE

    $49.71
    Help reduce hot start issues and starter/battery loads, Have 5-7 Newtons of closing force resistance, Custom molded knobs ensure they stay cool to the touch and are easy to operate, Require an M10 x...
    09500888
    SKU:
    09500888
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    UNITS:
    PAIR
    COLOR/FINISH:
    BLACK
    LENGTH IMPERIAL:
    1.730'
    PRODUCT NAME:
    VALVE
    COLOR/FINISH:
    CHROME
    DIAMETER - THREAD SIZE:
    M10 X 1.0
    DIAMETER - THREAD SIZE METRIC:
    M10 X 1.0
    RIDING STYLE:
    STREET
    TYPE:
    COMPRESSION RELEASE
    $49.71
    Qty in Cart: 0
    Quantity:
    Price:
    $49.71
    Subtotal:
  • KIBBLEWHITE Compression Release - M10 - 1.050" 20-21260

    KIBBLEWHITE Compression Release - M10 - 1.050" 20-21260

    KIBBLEWHITE

    $49.71
    Help reduce hot start issues and starter/battery loads, Have 5-7 Newtons of closing force resistance, Custom molded knobs ensure they stay cool to the touch and are easy to operate, Require an M10 x...
    09500889
    SKU:
    09500889
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    COLOR/FINISH:
    BLACK
    UNITS:
    PAIR
    COLOR/FINISH:
    CHROME
    DIAMETER - THREAD SIZE:
    M10 X 1.0
    DIAMETER - THREAD SIZE METRIC:
    M10 X 1.0
    LENGTH IMPERIAL:
    1.750'
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    VALVE
    TYPE:
    COMPRESSION RELEASE
    $49.71
    Qty in Cart: 0
    Quantity:
    Price:
    $49.71
    Subtotal:
  • KIBBLEWHITE Valve Stem Seal - Twin Cam 71030-4

    KIBBLEWHITE Valve Stem Seal - Twin Cam 71030-4

    KIBBLEWHITE

    $10.26
    Solid Vitonâ„¢ and solid PTFE seals utilize choker spring and lower tension spring to maintain optimal seal under high heat/stress conditions, For use with stock intake and exhaust valve guides, Made...
    09350458
    SKU:
    09350458
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    SEAL
    MATERIAL:
    VITON
    UNITS:
    4 PACK
    RIDING STYLE:
    STREET
    TYPE:
    VALVE STEM
    $10.26
    Qty in Cart: 0
    Quantity:
    Price:
    $10.26
    Subtotal:
  • KIBBLEWHITE Clutch Springs - 4 Pack 70-0465

    KIBBLEWHITE Clutch Springs - 4 Pack 70-0465

    KIBBLEWHITE

    $17.77
    High-quality clutch springs, Made in the U.S.A., 1.858" free length x 0.662" OD
    11312313
    SKU:
    11312313
    Availability:
    Ships Same Business Day
    Weight:
    0.16 LBS
    PRODUCT NAME:
    SPRING
    TYPE:
    CLUTCH
    UNITS:
    4 PACK
    COLOR/FINISH:
    RED
    RIDING STYLE:
    STREET
    $17.77
    Qty in Cart: 0
    Quantity:
    Price:
    $17.77
    Subtotal:
  • KIBBLEWHITE Valve Guide 60-60320

    KIBBLEWHITE Valve Guide 60-60320

    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.
    09260291
    SKU:
    09260291
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    INSIDE DIAMETER IMPERIAL:
    0.1955'
    OUTSIDE DIAMETER IMPERIAL:
    0.4170'
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    VALVE GUIDE
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    MATERIAL:
    C630 BRONZE
    SIZE IMPERIAL:
    STANDARD
    $19.83
    Qty in Cart: 0
    Quantity:
    Price:
    $19.83
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit 30-30880

    KIBBLEWHITE Valve Spring Kit 30-30880

    KIBBLEWHITE

    $206.09
    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...
    09260293
    SKU:
    09260293
    Availability:
    Ships Same Business Day
    Weight:
    0.38 LBS
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    APPLICATION:
    INTAKE
    SPRING OPEN PRESSURE:
    143 LB
    RIDING STYLE:
    OFF-ROAD
    SPRING LIFT IMPERIAL:
    0.350'
    TYPE:
    VALVE
    MATERIAL:
    TITANIUM
    UNITS:
    KIT
    $206.09
    Qty in Cart: 0
    Quantity:
    Price:
    $206.09
    Subtotal:
  • KIBBLEWHITE Intake Valve Guide 30-31470

    KIBBLEWHITE Intake Valve Guide 30-31470

    KIBBLEWHITE

    $24.89
    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.
    09261132
    SKU:
    09261132
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    INSIDE DIAMETER IMPERIAL:
    0.1961'
    PRODUCT NAME:
    VALVE GUIDE
    MATERIAL:
    C630 BRONZE
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    INTAKE
    SIZE IMPERIAL:
    STANDARD
    OUTSIDE DIAMETER IMPERIAL:
    0.3965'
    UNITS:
    EACH
    $24.89
    Qty in Cart: 0
    Quantity:
    Price:
    $24.89
    Subtotal:
  • KIBBLEWHITE Intake Valve 80-80060

    KIBBLEWHITE Intake Valve 80-80060

    KIBBLEWHITE

    $54.10
    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...
    KW8080060
    SKU:
    KW8080060
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    UTV
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.2355'
    TULIP ANGLE:
    15°
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    30.00 MM
    LENGTH IMPERIAL:
    3.960'
    MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 80-80063

    KIBBLEWHITE Exhaust Valve 80-80063

    KIBBLEWHITE

    $54.10
    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...
    KW8080063
    SKU:
    KW8080063
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    HEAD DIAMETER METRIC:
    32.00 MM
    LENGTH IMPERIAL:
    3.650'
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    UTV
    TULIP ANGLE:
    25°
    RIDING STYLE:
    ATV
    STEM DIAMETER IMPERIAL:
    0.2348'
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    MODEL:
    BLACK DIAMONDâ„¢
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Intake/Exhaust Valve Guide 80-8010

    KIBBLEWHITE Intake/Exhaust Valve Guide 80-8010

    KIBBLEWHITE

    $19.89
    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.
    KW808010
    SKU:
    KW808010
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    PRODUCT NAME:
    VALVE GUIDE
    UNITS:
    EACH
    OUTSIDE DIAMETER IMPERIAL:
    0.4942'
    SIZE IMPERIAL:
    STANDARD
    APPLICATION:
    EXHAUST
    APPLICATION:
    INTAKE
    INSIDE DIAMETER IMPERIAL:
    0.2750'
    MATERIAL:
    AMPCO-45
    RIDING STYLE:
    ATV
    $19.89
    Qty in Cart: 0
    Quantity:
    Price:
    $19.89
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - TRX450R - 31mm 30-30954

    KIBBLEWHITE Exhaust Valve - TRX450R - 31mm 30-30954

    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...
    09260419
    SKU:
    09260419
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD DIAMETER METRIC:
    31.00 MM
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.1957'
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    LENGTH IMPERIAL:
    3.310'
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Intake Valve 30-30120

    KIBBLEWHITE Intake Valve 30-30120

    KIBBLEWHITE

    $54.10
    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...
    KW3030120
    SKU:
    KW3030120
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    TULIP ANGLE:
    23°
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    30.00 MM
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    LENGTH IMPERIAL:
    3.605'
    MATERIAL:
    STAINLESS STEEL
    STEM DIAMETER IMPERIAL:
    0.2145'
    UNITS:
    EACH
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 30-30122

    KIBBLEWHITE Exhaust Valve 30-30122

    KIBBLEWHITE

    $54.10
    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...
    KW3030122
    SKU:
    KW3030122
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    HEAD DIAMETER METRIC:
    25.00 MM
    RIDING STYLE:
    OFF-ROAD
    LENGTH IMPERIAL:
    3.585'
    MODEL:
    BLACK DIAMONDâ„¢
    TULIP ANGLE:
    29°
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE
    MATERIAL:
    STAINLESS STEEL
    STEM DIAMETER IMPERIAL:
    0.2140'
    UNITS:
    EACH
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Valve Guide 30-3030

    KIBBLEWHITE Valve Guide 30-3030

    KIBBLEWHITE

    $37.93
    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.
    KW303030
    SKU:
    KW303030
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    INSIDE DIAMETER IMPERIAL:
    0.2150'
    OUTSIDE DIAMETER IMPERIAL:
    0.4355'
    PRODUCT NAME:
    VALVE GUIDE
    SIZE IMPERIAL:
    STANDARD
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    EXHAUST
    MATERIAL:
    AMPCO-45
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $37.93
    Qty in Cart: 0
    Quantity:
    Price:
    $37.93
    Subtotal:
  • KIBBLEWHITE Intake Kit 30-31200

    KIBBLEWHITE Intake Kit 30-31200

    KIBBLEWHITE

    $190.07
    Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extends the life of the valvetrain and intake components...
    09260442
    SKU:
    09260442
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    PRODUCT NAME:
    VALVE KIT
    SPRING SEAT PRESSURE:
    50 LB
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    OFF-ROAD
    SPRING LIFT:
    0,345'
    SPRING LIFT IMPERIAL:
    0.345'
    SPRING OPEN PRESSURE:
    145 LB
    TYPE:
    CONVERSION
    $190.07
    Qty in Cart: 0
    Quantity:
    Price:
    $190.07
    Subtotal:
  • KIBBLEWHITE Intake Kit 30-31210

    KIBBLEWHITE Intake Kit 30-31210

    KIBBLEWHITE

    $185.23
    Stainless steel conversion kit includes only what's needed to convert your head to the long-life stainless steel Black Diamond intake valves, Extends the life of the valvetrain and intake components...
    09260443
    SKU:
    09260443
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    RIDING STYLE:
    OFF-ROAD
    SPRING LIFT:
    0,440'
    SPRING LIFT IMPERIAL:
    0.440'
    SPRING OPEN PRESSURE:
    147 LB
    UNITS:
    KIT
    MATERIAL:
    STAINLESS STEEL
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE KIT
    SPRING SEAT PRESSURE:
    40 LB
    TYPE:
    CONVERSION
    $185.23
    Qty in Cart: 0
    Quantity:
    Price:
    $185.23
    Subtotal:
  • KIBBLEWHITE Valve Guide 40-40320

    KIBBLEWHITE Valve Guide 40-40320

    KIBBLEWHITE

    $17.83
    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.
    09260449
    SKU:
    09260449
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    EXHAUST
    OUTSIDE DIAMETER IMPERIAL:
    0.4363'
    PRODUCT NAME:
    VALVE GUIDE
    UNITS:
    EACH
    INSIDE DIAMETER IMPERIAL:
    0.2150'
    MATERIAL:
    C630 BRONZE
    SIZE IMPERIAL:
    STANDARD
    $17.83
    Qty in Cart: 0
    Quantity:
    Price:
    $17.83
    Subtotal:
  • KIBBLEWHITE Intake Valve 30-3115

    KIBBLEWHITE Intake Valve 30-3115

    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...
    KW303115
    SKU:
    KW303115
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    HEAD DIAMETER METRIC:
    33.00 MM
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.2156'
    LENGTH IMPERIAL:
    4.040'
    MATERIAL:
    STAINLESS STEEL
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    TULIP ANGLE:
    20°
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Intake Valve 30-3116

    KIBBLEWHITE Intake Valve 30-3116

    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...
    KW303116
    SKU:
    KW303116
    Availability:
    Ships Same Business Day
    Weight:
    0.13 LBS
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.2156'
    HEAD DIAMETER METRIC:
    43.00 MM
    LENGTH IMPERIAL:
    4.020'
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    20°
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve Guide 82-82230

    KIBBLEWHITE Exhaust Valve Guide 82-82230

    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.
    09261176
    SKU:
    09261176
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    OUTSIDE DIAMETER IMPERIAL:
    0.4531'
    MATERIAL:
    C630 BRONZE
    PRODUCT NAME:
    VALVE GUIDE
    APPLICATION:
    EXHAUST
    INSIDE DIAMETER IMPERIAL:
    0.2355'
    RIDING STYLE:
    ATV
    SIZE IMPERIAL:
    STANDARD
    UNITS:
    EACH
    $26.43
    Qty in Cart: 0
    Quantity:
    Price:
    $26.43
    Subtotal:
  • KIBBLEWHITE Intake Valve 82-82212

    KIBBLEWHITE Intake Valve 82-82212

    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...
    09261178
    SKU:
    09261178
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    INTAKE
    TULIP ANGLE:
    25°
    HEAD DIAMETER METRIC:
    35.00 MM
    LENGTH IMPERIAL:
    4.510'
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.2357'
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 82-82216

    KIBBLEWHITE Exhaust Valve 82-82216

    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...
    09261180
    SKU:
    09261180
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    APPLICATION:
    EXHAUST
    HEAD DIAMETER METRIC:
    30.00 MM
    RIDING STYLE:
    ATV
    LENGTH IMPERIAL:
    4.555'
    UNITS:
    EACH
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.2352'
    TULIP ANGLE:
    11°
    MODEL:
    BLACK DIAMONDâ„¢
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Valve Spring Kit - Big Twin 20-20425

    KIBBLEWHITE Valve Spring Kit - Big Twin 20-20425

    KIBBLEWHITE

    $126.70
    OE style replacement kit, Features dual super clean chrome silicon springs; heat-treated steel base washers, .415" lift, Includes steel retainers, Made in the U.S.A.
    09261441
    SKU:
    09261441
    Availability:
    Ships Same Business Day
    Weight:
    1.05 LBS
    RIDING STYLE:
    STREET
    COLLAR MATERIAL:
    STEEL
    MATERIAL:
    STEEL
    SPRING OPEN PRESSURE:
    270 LB
    SPRING SEAT PRESSURE:
    127 LB
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    SPRING LIFT IMPERIAL:
    0.415'
    TYPE:
    VALVE
    $126.70
    Qty in Cart: 0
    Quantity:
    Price:
    $126.70
    Subtotal:
  • KIBBLEWHITE Intake/Exhaust Valve Guide 30-4069

    KIBBLEWHITE Intake/Exhaust Valve Guide 30-4069

    KIBBLEWHITE

    $26.89
    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.
    KW304069
    SKU:
    KW304069
    Availability:
    Ships Same Business Day
    Weight:
    0.25 LBS
    INSIDE DIAMETER IMPERIAL:
    0.2155'
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    INTAKE
    MATERIAL:
    AMPCO-45
    PRODUCT NAME:
    VALVE GUIDE
    OUTSIDE DIAMETER IMPERIAL:
    0.4372'
    APPLICATION:
    EXHAUST
    SIZE IMPERIAL:
    STANDARD
    UNITS:
    EACH
    $26.89
    Qty in Cart: 0
    Quantity:
    Price:
    $26.89
    Subtotal:
  • KIBBLEWHITE Dowel Pin - 4 Pack - EVO 83240-4

    KIBBLEWHITE Dowel Pin - 4 Pack - EVO 83240-4

    KIBBLEWHITE

    $8.33
    CNC-machined dowels used for location cylinder head, Made in the U.S.A.
    24011052
    SKU:
    24011052
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    DOWEL PIN
    UNITS:
    4 PACK
    APPLICATION:
    ENGINE
    RIDING STYLE:
    STREET
    $8.33
    Qty in Cart: 0
    Quantity:
    Price:
    $8.33
    Subtotal:
  • KIBBLEWHITE Exhaust Valve - Big Twin 20-4102

    KIBBLEWHITE Exhaust Valve - Big Twin 20-4102

    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...
    09261453
    SKU:
    09261453
    Availability:
    Ships Same Business Day
    Weight:
    0.23 LBS
    MODEL:
    BLACK DIAMONDâ„¢
    RIDING STYLE:
    STREET
    APPLICATION:
    EXHAUST
    HEAD DIAMETER IMPERIAL:
    1.750'
    LENGTH IMPERIAL:
    3.670'
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.3760'
    UNITS:
    EACH
    TULIP ANGLE:
    27°
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    Subtotal:
  • KIBBLEWHITE Valve Seat 10-SB250

    KIBBLEWHITE Valve Seat 10-SB250

    KIBBLEWHITE

    $30.30
    Copper-based material designed specifically for use with titanium valves in high performance applications, Give the seat excellent thermal characteristics as well as resistance to corrosion and wear,...
    09261619
    SKU:
    09261619
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    UNITS:
    EACH
    APPLICATION:
    INTAKE
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    VALVE SEAT
    VALVE SEAT HEIGHT METRIC:
    9.00 MM
    INSIDE DIAMETER METRIC:
    17.00 MM
    OUTSIDE DIAMETER METRIC:
    25.00 MM
    RIDING STYLE:
    OFF-ROAD
    $30.30
    Qty in Cart: 0
    Quantity:
    Price:
    $30.30
    Subtotal:
  • KIBBLEWHITE Valve Seat 10-SB280

    KIBBLEWHITE Valve Seat 10-SB280

    KIBBLEWHITE

    $30.30
    Copper-based material designed specifically for use with titanium valves in high performance applications, Give the seat excellent thermal characteristics as well as resistance to corrosion and wear,...
    09261620
    SKU:
    09261620
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    VALVE SEAT
    APPLICATION:
    EXHAUST
    VALVE SEAT HEIGHT METRIC:
    9.50 MM
    OUTSIDE DIAMETER METRIC:
    28.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    INSIDE DIAMETER METRIC:
    20.00 MM
    MATERIAL:
    TITANIUM
    $30.30
    Qty in Cart: 0
    Quantity:
    Price:
    $30.30
    Subtotal:
  • KIBBLEWHITE Bolt Kit Rocker Stud - M8 20-21045

    KIBBLEWHITE Bolt Kit Rocker Stud - M8 20-21045

    KIBBLEWHITE

    $129.95
    Both nut and stud have rolled threads for the strongest possible threads, Corrosion resistant appearance, Made in the U.S.A.
    24011107
    SKU:
    24011107
    Availability:
    Ships Same Business Day
    Weight:
    0.40 LBS
    $129.95
    Qty in Cart: 0
    Quantity:
    Price:
    $129.95
    Subtotal:
  • KIBBLEWHITE Rocker Stud Nut - M8 41007-4

    KIBBLEWHITE Rocker Stud Nut - M8 41007-4

    KIBBLEWHITE

    $24.05
    Replacement nuts for Kibblewhite Rocker Arm Shaft Stud and Nut Kit
    24011108
    SKU:
    24011108
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    BASE COLOR:
    BLACK
    APPLICATION:
    ROCKER ARM SHAFT
    STYLE:
    HEAT TREATED
    COLOR/FINISH:
    BLACK OXIDE
    MATERIAL:
    STEEL
    NUT TYPE:
    FLANGE
    PRODUCT NAME:
    ROCKER ARM SHAFT NUT KIT
    RIDING STYLE:
    STREET
    UNITS:
    4 PACK
    $24.05
    Qty in Cart: 0
    Quantity:
    Price:
    $24.05
    Subtotal:
  • KIBBLEWHITE Valve Seat 10-SB350

    KIBBLEWHITE Valve Seat 10-SB350

    KIBBLEWHITE

    $34.71
    Copper-based material designed specifically for use with titanium valves in high performance applications, Give the seat excellent thermal characteristics as well as resistance to corrosion and wear,...
    09261626
    SKU:
    09261626
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    TITANIUM
    INSIDE DIAMETER METRIC:
    26.00 MM
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    EXHAUST
    OUTSIDE DIAMETER METRIC:
    35.00 MM
    PRODUCT NAME:
    VALVE SEAT
    UNITS:
    EACH
    VALVE SEAT HEIGHT METRIC:
    11.00 MM
    $34.71
    Qty in Cart: 0
    Quantity:
    Price:
    $34.71
    Subtotal:
  • KIBBLEWHITE Valve Seat 10-SB385

    KIBBLEWHITE Valve Seat 10-SB385

    KIBBLEWHITE

    $40.81
    Copper-based material designed specifically for use with titanium valves in high performance applications, Give the seat excellent thermal characteristics as well as resistance to corrosion and wear,...
    09261627
    SKU:
    09261627
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    INSIDE DIAMETER METRIC:
    29.00 MM
    MATERIAL:
    TITANIUM
    VALVE SEAT HEIGHT METRIC:
    11.00 MM
    OUTSIDE DIAMETER METRIC:
    38.50 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE SEAT
    $40.81
    Qty in Cart: 0
    Quantity:
    Price:
    $40.81
    Subtotal:
  • KIBBLEWHITE Valve Seat 10-SB390

    KIBBLEWHITE Valve Seat 10-SB390

    KIBBLEWHITE

    $40.81
    Copper-based material designed specifically for use with titanium valves in high performance applications, Give the seat excellent thermal characteristics as well as resistance to corrosion and wear,...
    09261628
    SKU:
    09261628
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    INSIDE DIAMETER METRIC:
    30.00 MM
    MATERIAL:
    TITANIUM
    OUTSIDE DIAMETER METRIC:
    39.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    VALVE SEAT HEIGHT METRIC:
    11.00 MM
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE SEAT
    $40.81
    Qty in Cart: 0
    Quantity:
    Price:
    $40.81
    Subtotal:
  • KIBBLEWHITE Cylinder Studs - '99-'17 Twin Cam 20-20412

    KIBBLEWHITE Cylinder Studs - '99-'17 Twin Cam 20-20412

    KIBBLEWHITE

    $187.95
    The complete surface has been ground to remove all the imperfections of standard rough-milled material, which also removes notch sensitivity, A radius is ground on the last thread to reduce the...
    24010578
    SKU:
    24010578
    Availability:
    Ships Same Business Day
    Weight:
    1.52 LBS
    $187.95
    Qty in Cart: 0
    Quantity:
    Price:
    $187.95
    Subtotal:
  • KIBBLEWHITE Cast Iron Valve Seat 10-SC290

    KIBBLEWHITE Cast Iron Valve Seat 10-SC290

    KIBBLEWHITE

    $8.24
    Premium valve seats for applications using steel valves, A specific combination of alloys allowed a creation of a high density, iron-based valve seat with uniform hardness, exceptional thermal...
    09261631
    SKU:
    09261631
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    INSIDE DIAMETER METRIC:
    21.00 MM
    RIDING STYLE:
    ATV
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    VALVE SEAT HEIGHT METRIC:
    9.50 MM
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    29.00 MM
    MATERIAL:
    STEEL
    OUTSIDE DIAMETER METRIC:
    29.00 MM
    PRODUCT NAME:
    VALVE SEAT
    $8.24
    Qty in Cart: 0
    Quantity:
    Price:
    $8.24
    Subtotal:
  • KIBBLEWHITE Cast Iron Valve Seat 10-SC310

    KIBBLEWHITE Cast Iron Valve Seat 10-SC310

    KIBBLEWHITE

    $8.49
    Premium valve seats for applications using steel valves, A specific combination of alloys allowed a creation of a high density, iron-based valve seat with uniform hardness, exceptional thermal...
    09261632
    SKU:
    09261632
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    INSIDE DIAMETER METRIC:
    23.00 MM
    VALVE SEAT HEIGHT METRIC:
    9.50 MM
    HEAD DIAMETER METRIC:
    31.00 MM
    MATERIAL:
    STEEL
    OUTSIDE DIAMETER METRIC:
    31.00 MM
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE SEAT
    RIDING STYLE:
    ATV
    $8.49
    Qty in Cart: 0
    Quantity:
    Price:
    $8.49
    Subtotal:
  • KIBBLEWHITE Cast Iron Valve Seat 10-SC390

    KIBBLEWHITE Cast Iron Valve Seat 10-SC390

    KIBBLEWHITE

    $9.57
    Premium valve seats for applications using steel valves, A specific combination of alloys allowed a creation of a high density, iron-based valve seat with uniform hardness, exceptional thermal...
    09261638
    SKU:
    09261638
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    PRODUCT NAME:
    VALVE SEAT
    UNITS:
    EACH
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    INTAKE
    INSIDE DIAMETER METRIC:
    30.00 MM
    OUTSIDE DIAMETER METRIC:
    39.00 MM
    HEAD DIAMETER METRIC:
    39.00 MM
    VALVE SEAT HEIGHT METRIC:
    10.00 MM
    $9.57
    Qty in Cart: 0
    Quantity:
    Price:
    $9.57
    Subtotal:
  • KIBBLEWHITE Spring Kit - .440" 30-31250

    KIBBLEWHITE Spring Kit - .440" 30-31250

    KIBBLEWHITE

    $207.83
    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...
    09261640
    SKU:
    09261640
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    SPRING KIT
    SPRING LIFT IMPERIAL:
    0.440'
    SPRING OPEN PRESSURE:
    INTAKE 147 LB, EXHAUST 203 LB
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    TYPE:
    VALVE
    MATERIAL:
    TITANIUM
    $207.83
    Qty in Cart: 0
    Quantity:
    Price:
    $207.83
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 30-31266

    KIBBLEWHITE Exhaust Valve 30-31266

    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...
    09261643
    SKU:
    09261643
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    EXHAUST
    HEAD DIAMETER METRIC:
    30.00 MM
    LENGTH IMPERIAL:
    3.175'
    TULIP ANGLE:
    20°
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    STEM DIAMETER IMPERIAL:
    0.1955'
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MODEL:
    BLACK DIAMONDâ„¢
    $31.01
    Qty in Cart: 0
    Quantity:
    Price:
    $31.01
    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