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Dirt Bike Engine Valves and Parts

Dirt Bike Engine Valves and Parts

Dirt Bike Engine Valves and Parts

Dirt Bike Engine Valves & Parts: Kibblewhite Black Diamond Exhaust Valves & Spring Kits at JJ Motorsports

Upgrade your dirt bike's valvetrain for maximum flow, heat resistance, and durability with premium valves and parts from JJ Motorsports, precision-engineered for superior performance in motocross, enduro, and trail riding. Our selection includes Black Diamond stainless steel exhaust valves, high-RPM spring kits, keepers, seals, and guides designed for increased lift, reduced wear, and reliable operation under extreme valve float conditions. Compatible with popular 4-stroke models like Honda CRF, Yamaha YZ/WR, KTM SX/EXC, and more, these Kibblewhite components feature one-piece forging, nitride coatings, and dual-spring technology to enhance airflow, prevent valve train failure, and support big-bore or high-compression builds. From exhaust valves with swirl-polished stems to titanium retainer spring kits for lightweight strength, rebuild your cylinder head for championship-level power, longevity, and confidence on every rev.

Shop trusted brands like Kibblewhite for race-proven quality. Explore related categories such as dirt bike piston and ring kits for full top-end rebuilds or dirt bike engine for camshafts and gaskets.

Top Dirt Bike Valve & Parts

  • Kibblewhite Valve - Exhaust - Black Diamond 30-33616 – One-piece Black Diamond stainless steel exhaust valve with nitride coating, swirl-polished stem, and hard tip; designed for high-RPM durability and flow in 4-stroke engines.
  • Kibblewhite Spring Kit 40-41600 – Dual-spring kit with titanium retainers, chromoly seats, and high-strength springs; supports increased lift and RPM while preventing valve float in performance builds.

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

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • KIBBLEWHITE Spring Kit - .445" 60-60500

    KIBBLEWHITE Spring Kit - .445" 60-60500

    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 motor, Keepers are not included, Made in the U.S.A.
    09261660
    SKU:
    09261660
    Availability:
    Ships Same Business Day
    Weight:
    0.45 LBS
    SPRING LIFT IMPERIAL:
    0.445'
    APPLICATION:
    EXHAUST
    TYPE:
    VALVE
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    SPRING OPEN PRESSURE:
    160 LB
    UNITS:
    KIT
    $220.26
    Qty in Cart: 0
    Quantity:
    Price:
    $220.26
    Subtotal:
  • KIBBLEWHITE Valve Guide 60-60520

    KIBBLEWHITE Valve Guide 60-60520

    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.
    09261665
    SKU:
    09261665
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    VALVE GUIDE
    MATERIAL:
    C630 BRONZE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    INSIDE DIAMETER IMPERIAL:
    0.1765'
    OUTSIDE DIAMETER IMPERIAL:
    0.3778'
    SIZE IMPERIAL:
    STANDARD
    APPLICATION:
    INTAKE
    $17.83
    Qty in Cart: 0
    Quantity:
    Price:
    $17.83
    Subtotal:
  • KIBBLEWHITE Intake Valve Guide 80-80770

    KIBBLEWHITE Intake Valve Guide 80-80770

    KIBBLEWHITE

    $22.29
    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.
    09261687
    SKU:
    09261687
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    C630 BRONZE
    PRODUCT NAME:
    VALVE GUIDE
    SIZE IMPERIAL:
    STANDARD
    OUTSIDE DIAMETER IMPERIAL:
    0.4352'
    UNITS:
    EACH
    APPLICATION:
    INTAKE
    INSIDE DIAMETER IMPERIAL:
    0.2165'
    RIDING STYLE:
    OFF-ROAD
    $22.29
    Qty in Cart: 0
    Quantity:
    Price:
    $22.29
    Subtotal:
  • KIBBLEWHITE Exhaust Valve Guide 80-80780

    KIBBLEWHITE Exhaust Valve Guide 80-80780

    KIBBLEWHITE

    $22.29
    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.
    09261688
    SKU:
    09261688
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    NICKEL
    SIZE IMPERIAL:
    STANDARD
    MATERIAL:
    AMPCO-45
    OUTSIDE DIAMETER IMPERIAL:
    0.4352'
    PRODUCT NAME:
    VALVE GUIDE
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    INSIDE DIAMETER IMPERIAL:
    0.2160'
    MATERIAL:
    BRONZE
    RIDING STYLE:
    OFF-ROAD
    $22.29
    Qty in Cart: 0
    Quantity:
    Price:
    $22.29
    Subtotal:
  • KIBBLEWHITE Intake Valve 82-82155

    KIBBLEWHITE Intake Valve 82-82155

    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 and wear, Made in the U.S.A.
    09261689
    SKU:
    09261689
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MODEL:
    BLACK DIAMONDâ„¢
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    UTV
    UNITS:
    EACH
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    37.72 MM
    LENGTH IMPERIAL:
    3.775'
    STEM DIAMETER IMPERIAL:
    0.2160'
    TULIP ANGLE:
    17°
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 82-82158

    KIBBLEWHITE Exhaust Valve 82-82158

    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 and wear, Made in the U.S.A.
    09261691
    SKU:
    09261691
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    EXHAUST
    HEAD DIAMETER METRIC:
    32.44 MM
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    UTV
    UNITS:
    EACH
    LENGTH IMPERIAL:
    3.815'
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.2155'
    TULIP ANGLE:
    25°
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Spring Kit 96-96000

    KIBBLEWHITE Spring Kit 96-96000

    KIBBLEWHITE

    $181.00
    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 motor, Keepers are not included, Made in the U.S.A.
    09261696
    SKU:
    09261696
    Availability:
    Ships Same Business Day
    Weight:
    0.68 LBS
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    SPRING OPEN PRESSURE:
    214 LB
    MATERIAL:
    TITANIUM
    PRODUCT NAME:
    SPRING KIT
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    SPRING LIFT IMPERIAL:
    0.435'
    TYPE:
    VALVE
    $181.00
    Qty in Cart: 0
    Quantity:
    Price:
    $181.00
    Subtotal:
  • KIBBLEWHITE Intake Valve 96-96004

    KIBBLEWHITE Intake Valve 96-96004

    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 and wear, Made in the U.S.A.
    09261697
    SKU:
    09261697
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    APPLICATION:
    INTAKE
    HEAD DIAMETER METRIC:
    35.00 MM
    LENGTH IMPERIAL:
    3.815'
    TULIP ANGLE:
    20°
    RIDING STYLE:
    OFF-ROAD
    STEM DIAMETER IMPERIAL:
    0.2350'
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Intake Valve 96-96005

    KIBBLEWHITE Intake Valve 96-96005

    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 and wear, Made in the U.S.A.
    09261698
    SKU:
    09261698
    Availability:
    Ships Same Business Day
    Weight:
    0.11 LBS
    HEAD DIAMETER METRIC:
    36.00 MM
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    PRODUCT NAME:
    VALVE
    LENGTH IMPERIAL:
    3.815'
    UNITS:
    EACH
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    STEM DIAMETER IMPERIAL:
    0.2350'
    TULIP ANGLE:
    20°
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 96-96007

    KIBBLEWHITE Exhaust Valve 96-96007

    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 and wear, Made in the U.S.A.
    09261699
    SKU:
    09261699
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.2342'
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    LENGTH IMPERIAL:
    3.815'
    MATERIAL:
    STAINLESS STEEL
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    24°
    HEAD DIAMETER METRIC:
    30.00 MM
    RIDING STYLE:
    OFF-ROAD
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 96-96008

    KIBBLEWHITE Exhaust Valve 96-96008

    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 and wear, Made in the U.S.A.
    09261700
    SKU:
    09261700
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    LENGTH IMPERIAL:
    3.815'
    STEM DIAMETER IMPERIAL:
    0.2342'
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    HEAD DIAMETER METRIC:
    21.00 MM
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE
    TULIP ANGLE:
    24°
    UNITS:
    EACH
    $37.55
    Qty in Cart: 0
    Quantity:
    Price:
    $37.55
    Subtotal:
  • KIBBLEWHITE Intake Valve Guide 96-96010

    KIBBLEWHITE Intake Valve Guide 96-96010

    KIBBLEWHITE

    $22.29
    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.
    09261701
    SKU:
    09261701
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    PRODUCT NAME:
    VALVE GUIDE
    MATERIAL:
    C630 BRONZE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    INSIDE DIAMETER IMPERIAL:
    0.2360'
    SIZE IMPERIAL:
    STANDARD
    APPLICATION:
    INTAKE
    OUTSIDE DIAMETER IMPERIAL:
    0.4745'
    $22.29
    Qty in Cart: 0
    Quantity:
    Price:
    $22.29
    Subtotal:
  • KIBBLEWHITE Exhaust Valve Guide 96-96020

    KIBBLEWHITE Exhaust Valve Guide 96-96020

    KIBBLEWHITE

    $22.29
    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.
    09261702
    SKU:
    09261702
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    VALVE GUIDE
    MATERIAL:
    C630 BRONZE
    OUTSIDE DIAMETER IMPERIAL:
    0.4745'
    APPLICATION:
    EXHAUST
    INSIDE DIAMETER IMPERIAL:
    0.2360'
    SIZE IMPERIAL:
    STANDARD
    UNITS:
    EACH
    $22.29
    Qty in Cart: 0
    Quantity:
    Price:
    $22.29
    Subtotal:
  • KIBBLEWHITE Exhaust Valve 96-96266

    KIBBLEWHITE Exhaust Valve 96-96266

    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 and wear, Made in the U.S.A.
    09261713
    SKU:
    09261713
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MATERIAL:
    STAINLESS STEEL
    MODEL:
    BLACK DIAMONDâ„¢
    STEM DIAMETER IMPERIAL:
    0.1955'
    TULIP ANGLE:
    30°
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    HEAD DIAMETER METRIC:
    26.60 MM
    LENGTH IMPERIAL:
    3.665'
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    $54.10
    Qty in Cart: 0
    Quantity:
    Price:
    $54.10
    Subtotal:
  • KIBBLEWHITE Intake Valve Guide 96-96270

    KIBBLEWHITE Intake Valve Guide 96-96270

    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.
    09261715
    SKU:
    09261715
    Availability:
    Ships Same Business Day
    Weight:
    0.04 LBS
    SIZE IMPERIAL:
    STANDARD
    UNITS:
    EACH
    APPLICATION:
    INTAKE
    OUTSIDE DIAMETER IMPERIAL:
    0.3958'
    PRODUCT NAME:
    VALVE GUIDE
    INSIDE DIAMETER IMPERIAL:
    0.1960'
    MATERIAL:
    C630 BRONZE
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $24.89
    Subtotal:
  • KIBBLEWHITE Intake Valve Guide 30-30730

    KIBBLEWHITE Intake Valve Guide 30-30730

    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, Keepers are not included, Made in the U.S.A.
    09300019
    SKU:
    09300019
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    MATERIAL:
    AMPCO-45
    INSIDE DIAMETER IMPERIAL:
    0.2155'
    OUTSIDE DIAMETER IMPERIAL:
    0.4360'
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    VALVE GUIDE
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $15.92
    Qty in Cart: 0
    Quantity:
    Price:
    $15.92
    Subtotal:
  • KIBBLEWHITE Exhaust Valve Guide 30-30740

    KIBBLEWHITE Exhaust Valve Guide 30-30740

    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, Keepers are not included, Made in the U.S.A.
    09300021
    SKU:
    09300021
    Availability:
    Ships Same Business Day
    Weight:
    0.03 LBS
    INSIDE DIAMETER IMPERIAL:
    0.2150'
    APPLICATION:
    EXHAUST
    OUTSIDE DIAMETER IMPERIAL:
    0.4360'
    MATERIAL:
    AMPCO-45
    PRODUCT NAME:
    VALVE GUIDE
    RIDING STYLE:
    ATV
    UNITS:
    EACH
    $15.92
    Qty in Cart: 0
    Quantity:
    Price:
    $15.92
    Subtotal:
  • Hot Cams Valve Shim 10.0 x 2.25 for 2008-2010 KTM 530 EXC-R 5PK1000225 Hot Cams Valve Shim 10.0 x 2.25 for 2008-2010 KTM 530 EXC-R 5PK1000225

    Hot Cams Valve Shim 10.0 x 2.25 for 2008-2010 KTM 530 EXC-R 5PK1000225

    HOT CAMS

    $11.95
    Upgrade your valve shim kit with the HOT CAMS Valve Shim Replacement Pack. Designed for precision and durability, these shims ensure optimal engine performance and longevity. Perfect for enthusiasts looking to maintain their valve systems effectively. ...
    09261282
    SKU:
    09261282
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    PRODUCT NAME:
    SHIM
    UNITS:
    5 PACK
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    VALVE SHIM THICKNESS METRIC:
    2.25 MM
    $11.95
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
    Subtotal:
  • Hot Cams Valve Shim 10.0 x 2.30 for 2008-2010 KTM 530 EXC-R 5PK1000230 Hot Cams Valve Shim 10.0 x 2.30 for 2008-2010 KTM 530 EXC-R 5PK1000230

    Hot Cams Valve Shim 10.0 x 2.30 for 2008-2010 KTM 530 EXC-R 5PK1000230

    HOT CAMS

    $11.95
    Upgrade your valve shim kits with the HOT CAMS Valve Shim 10.0 x 2.30. Designed for precision and durability, these replacement shims ensure optimal performance and longevity for your engine. Perfect for mechanics and enthusiasts alike, this pack...
    09261283
    SKU:
    09261283
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    PRODUCT NAME:
    SHIM
    TYPE:
    VALVE
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    2.30 MM
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $11.95
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
    Subtotal:
  • Hot Cams Valve Shim Kit 7.48mm OD 1.20-3.50mm Honda CRF150R 2007-2022 HCSHIM01 Hot Cams Valve Shim Kit 7.48mm OD 1.20-3.50mm Honda CRF150R 2007-2022 HCSHIM01

    Hot Cams Valve Shim Kit 7.48mm OD 1.20-3.50mm Honda CRF150R 2007-2022 HCSHIM01

    HOT CAMS

    $10.95
    Enhance your engine's performance with the HOT CAMS Valve Shim pack, designed for precision and durability. Each shim measures 7.48 x 1.20 mm, making them ideal for a variety of applications. Perfect for refilling your Valve Shim Kits, these shims ensure...
    09261302
    SKU:
    09261302
    Availability:
    Ships Same Business Day
    Weight:
    0.05 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    OUTSIDE DIAMETER METRIC:
    7.48 MM
    RIDING STYLE:
    ATV
    PRODUCT NAME:
    SHIM
    RIDING STYLE:
    UTV
    TYPE:
    VALVE
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    1.20 MM
    $10.95
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    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

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