Select Your Ride

1
2
3

Dirt Bike Engine Valves and Parts

Dirt Bike Engine Valves and Parts

Dirt Bike Engine Valves and Parts

Improve airflow and combustion with precision-engineered engine valves and parts. These components are designed for maximum durability and performance enhancement. Shop our full range of engine valve components for your dirt bike.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • XCELDYNE X2 Titanium Valve - Intake X2TIVM43008

    XCELDYNE X2 Titanium Valve - Intake X2TIVM43008

    XCELDYNE

    $110.19
    XCELDYNE X2 Titanium Valve Intake X2TIVM43008Offer the off-road enthusiast superior performance at an excellent value, Incorporate a high flow design for maximum power and long service life, Feature the finest materials, tightest tolerances, and best...
    09262898
    SKU:
    09262898
    Availability:
    Ships Same Business Day
    Weight:
    0.15 LBS
    PRODUCT NAME:
    VALVE
    MATERIAL:
    TITANIUM
    APPLICATION:
    INTAKE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $110.19
    Qty in Cart: 0
    Quantity:
    Price:
    $110.19
    Subtotal:
  • Wiseco Valve Kit YZ250F 2001-2013 SVKB2402

    Wiseco Valve Kit YZ250F 2001-2013 SVKB2402

    WISECO

    $419.95
    WISECO Valve Kit SVKB2402 Upgrade your engine's performance with the WISECO Valve Kit SVKB2402, designed for both intake and exhaust applications. This comprehensive kit includes high-quality steel valves and precision-engineered springs, ensuring...
    09263065
    SKU:
    09263065
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    APPLICATION:
    INTAKE
    $419.95
    Qty in Cart: 0
    Quantity:
    Price:
    $419.95
    Subtotal:
  • Wiseco Valve Kit for Suzuki RM-Z250 2007-2020 SVKB3338

    Wiseco Valve Kit for Suzuki RM-Z250 2007-2020 SVKB3338

    WISECO

    $344.95
    WISECO Valve Kit SVKB3338 Enhance your engine's performance with the WISECO Valve Kit SVKB3338, designed for optimal efficiency and durability. This comprehensive kit includes high-quality valves and precision-engineered springs, ensuring a perfect fit...
    09263070
    SKU:
    09263070
    Availability:
    Ships Same Business Day
    Weight:
    0.95 LBS
    PRODUCT NAME:
    VALVE KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    MATERIAL:
    STEEL
    APPLICATION:
    INTAKE
    $344.95
    Qty in Cart: 0
    Quantity:
    Price:
    $344.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.60 - 5 pack 29.100260

    PROX Valveshim - 10.00 x 2.60 - 5 pack 29.100260

    PROX

    $9.95
    PROX Valveshim 10.00 x 2.60 5 pack 29.100260Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261005
    SKU:
    09261005
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SHIM KIT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    2.60 MM
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.65 - 5 pack 29.100265

    PROX Valveshim - 10.00 x 2.65 - 5 pack 29.100265

    PROX

    $9.95
    PROX Valveshim 10.00 x 2.65 5 pack 29.100265Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261006
    SKU:
    09261006
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    TYPE:
    VALVE
    PRODUCT NAME:
    SHIM KIT
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    2.65 MM
    RIDING STYLE:
    OFF-ROAD
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.70 - 5 pack 29.100270

    PROX Valveshim - 10.00 x 2.70 - 5 pack 29.100270

    PROX

    $9.95
    PROX Valveshim 10.00 x 2.70 5 pack 29.100270Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261007
    SKU:
    09261007
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    VALVE SHIM THICKNESS METRIC:
    2.70 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    PRODUCT NAME:
    SHIM KIT
    UNITS:
    5 PACK
    RIDING STYLE:
    OFF-ROAD
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.75 - 5 pack 29.100275

    PROX Valveshim - 10.00 x 2.75 - 5 pack 29.100275

    PROX

    $9.95
    PROX Valveshim 10.00 x 2.75 5 pack 29.100275Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261008
    SKU:
    09261008
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    TYPE:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    VALVE SHIM THICKNESS METRIC:
    2.75 MM
    PRODUCT NAME:
    SHIM KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.80 - 5 pack 29.100280

    PROX Valveshim - 10.00 x 2.80 - 5 pack 29.100280

    PROX

    $9.95
    PROX Valveshim 10.00 x 2.80 5 pack 29.100280Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261009
    SKU:
    09261009
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    TYPE:
    VALVE
    VALVE SHIM THICKNESS METRIC:
    2.80 MM
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SHIM KIT
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.85 - 5 pack 29.100285

    PROX Valveshim - 10.00 x 2.85 - 5 pack 29.100285

    PROX

    $9.95
    PROX Valveshim 10.00 x 2.85 5 pack 29.100285Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261010
    SKU:
    09261010
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    2.85 MM
    PRODUCT NAME:
    SHIM KIT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    RIDING STYLE:
    OFF-ROAD
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.90 - 5 pack 29.100290

    PROX Valveshim - 10.00 x 2.90 - 5 pack 29.100290

    PROX

    $9.95
    PROX Valveshim 10.00 x 2.90 5 pack 29.100290Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261011
    SKU:
    09261011
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    PRODUCT NAME:
    SHIM KIT
    TYPE:
    VALVE
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    2.90 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    RIDING STYLE:
    OFF-ROAD
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 2.95 - 5 pack 29.100295

    PROX Valveshim - 10.00 x 2.95 - 5 pack 29.100295

    PROX

    $9.95
    PROX Valveshim 10.00 x 2.95 5 pack 29.100295Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261012
    SKU:
    09261012
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    PRODUCT NAME:
    SHIM KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    RIDING STYLE:
    OFF-ROAD
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    VALVE SHIM THICKNESS METRIC:
    2.95 MM
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 3.00 - 5 pack 29.100300

    PROX Valveshim - 10.00 x 3.00 - 5 pack 29.100300

    PROX

    $9.95
    PROX Valveshim 10.00 x 3.00 5 pack 29.100300Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261013
    SKU:
    09261013
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    PRODUCT NAME:
    SHIM KIT
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    3.00 MM
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 3.05 - 5 pack 29.100305

    PROX Valveshim - 10.00 x 3.05 - 5 pack 29.100305

    PROX

    $9.95
    PROX Valveshim 10.00 x 3.05 5 pack 29.100305Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261014
    SKU:
    09261014
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    PRODUCT NAME:
    SHIM KIT
    UNITS:
    5 PACK
    VALVE SHIM THICKNESS METRIC:
    3.05 MM
    RIDING STYLE:
    OFF-ROAD
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    TYPE:
    VALVE
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valveshim - 10.00 x 3.20 - 5 pack 29.100320

    PROX Valveshim - 10.00 x 3.20 - 5 pack 29.100320

    PROX

    $9.95
    PROX Valveshim 10.00 x 3.20 5 pack 29.100320Made using a specific heat-treatment to ensure hardness for maximum durability and less wear, Precision machined to match exact size, Inexpensive and easy replacement for expensive OEM shims
    09261017
    SKU:
    09261017
    Availability:
    Ships Same Business Day
    Weight:
    0.02 LBS
    RIDING STYLE:
    OFF-ROAD
    RIDING STYLE:
    ADVENTURE TOURING / DUAL-SPORT
    RIDING STYLE:
    STREET
    VALVE SHIM THICKNESS METRIC:
    3.20 MM
    PRODUCT NAME:
    SHIM KIT
    UNITS:
    5 PACK
    OUTSIDE DIAMETER METRIC:
    10.00 MM
    TYPE:
    VALVE
    $9.95
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SIS1405-2

    PROX Valve and Spring Kit 28.SIS1405-2

    PROX

    $139.95
    PROX Valve and Spring Kit 28.SIS1405-2Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel valves, Springs are...
    09261021
    SKU:
    09261021
    Availability:
    Ships Same Business Day
    Weight:
    0.34 LBS
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SES2424-1

    PROX Valve and Spring Kit 28.SES2424-1

    PROX

    $139.95
    PROX Valve and Spring Kit 28.SES2424-1Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel valves, Springs are...
    09261025
    SKU:
    09261025
    Availability:
    Ships Same Business Day
    Weight:
    0.20 LBS
    TYPE:
    VALVE
    PRODUCT NAME:
    SPRING KIT
    APPLICATION:
    EXHAUST
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SIS4406-2

    PROX Valve and Spring Kit 28.SIS4406-2

    PROX

    $159.95
    PROX Valve and Spring Kit 28.SIS4406-2Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel valves, Springs are...
    09261031
    SKU:
    09261031
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SES4406-1

    PROX Valve and Spring Kit 28.SES4406-1

    PROX

    $159.95
    PROX Valve and Spring Kit 28.SES4406-1Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel valves, Springs are...
    09261032
    SKU:
    09261032
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    STEEL
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SIS4409-2

    PROX Valve and Spring Kit 28.SIS4409-2

    PROX

    $159.95
    PROX Valve and Spring Kit 28.SIS4409-2Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel valves, Springs are...
    09261033
    SKU:
    09261033
    Availability:
    Ships Same Business Day
    Weight:
    0.35 LBS
    UNITS:
    KIT
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SES4409-1

    PROX Valve and Spring Kit 28.SES4409-1

    PROX

    $159.95
    PROX Valve and Spring Kit 28.SES4409-1Replaces the OEM valves and valve springs, Steel, nitrided valves for increased durability and less wear under extreme conditions, Stronger valve springs deal with the extra weight of the steel valves, Springs are...
    09261034
    SKU:
    09261034
    Availability:
    Ships Same Business Day
    Weight:
    0.30 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    $159.95
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    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