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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
  • PROX Valve and Spring Kit 28.SIS3405-2

    PROX Valve and Spring Kit 28.SIS3405-2

    PROX

    $139.95
    PROX Valve and Spring Kit 28.SIS3405-2Replaces 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...
    09261035
    SKU:
    09261035
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    VALVE
    APPLICATION:
    INTAKE
    PRODUCT NAME:
    SPRING KIT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SES3405-1

    PROX Valve and Spring Kit 28.SES3405-1

    PROX

    $139.95
    PROX Valve and Spring Kit 28.SES3405-1Replaces 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...
    09261036
    SKU:
    09261036
    Availability:
    Ships Same Business Day
    Weight:
    0.21 LBS
    APPLICATION:
    EXHAUST
    TYPE:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    MATERIAL:
    STEEL
    PRODUCT NAME:
    SPRING KIT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SIS3407-2

    PROX Valve and Spring Kit 28.SIS3407-2

    PROX

    $139.95
    PROX Valve and Spring Kit 28.SIS3407-2Replaces 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...
    09261037
    SKU:
    09261037
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    PRODUCT NAME:
    SPRING KIT
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    VALVE
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SES3407-1

    PROX Valve and Spring Kit 28.SES3407-1

    PROX

    $139.95
    PROX Valve and Spring Kit 28.SES3407-1Replaces 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...
    09261038
    SKU:
    09261038
    Availability:
    Ships Same Business Day
    Weight:
    0.22 LBS
    APPLICATION:
    EXHAUST
    TYPE:
    VALVE
    PRODUCT NAME:
    SPRING KIT
    UNITS:
    KIT
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Valve and Spring Kit 28.SIS3408-2

    PROX Valve and Spring Kit 28.SIS3408-2

    PROX

    $139.95
    PROX Valve and Spring Kit 28.SIS3408-2Replaces 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...
    09261039
    SKU:
    09261039
    Availability:
    Ships Same Business Day
    Weight:
    0.32 LBS
    PRODUCT NAME:
    SPRING KIT
    TYPE:
    VALVE
    APPLICATION:
    INTAKE
    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.SES3408-1

    PROX Valve and Spring Kit 28.SES3408-1

    PROX

    $139.95
    PROX Valve and Spring Kit 28.SES3408-1Replaces 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...
    09261040
    SKU:
    09261040
    Availability:
    Ships Same Business Day
    Weight:
    0.26 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    KIT
    TYPE:
    VALVE
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    SPRING KIT
    $139.95
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • PROX Exhaust Valve 28.1070-1

    PROX Exhaust Valve 28.1070-1

    PROX

    $24.95
    PROX Exhaust Valve 28.1070-1Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260664
    SKU:
    09260664
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    EXHAUST
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • PROX Intake Valve 28.1070-2

    PROX Intake Valve 28.1070-2

    PROX

    $14.95
    PROX Intake Valve 28.1070-2Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260665
    SKU:
    09260665
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • PROX Exhaust Valve 28.1226-1

    PROX Exhaust Valve 28.1226-1

    PROX

    $29.95
    PROX Exhaust Valve 28.1226-1Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260666
    SKU:
    09260666
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    APPLICATION:
    EXHAUST
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • PROX Intake Valve 28.1226-2

    PROX Intake Valve 28.1226-2

    PROX

    $19.95
    PROX Intake Valve 28.1226-2Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260667
    SKU:
    09260667
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    PRODUCT NAME:
    VALVE
    APPLICATION:
    INTAKE
    UNITS:
    EACH
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PROX Exhaust Valve 28.1227-1

    PROX Exhaust Valve 28.1227-1

    PROX

    $29.95
    PROX Exhaust Valve 28.1227-1Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260668
    SKU:
    09260668
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    UNITS:
    EACH
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • PROX Intake Valve 28.1227-2

    PROX Intake Valve 28.1227-2

    PROX

    $19.95
    PROX Intake Valve 28.1227-2Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260669
    SKU:
    09260669
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    RIDING STYLE:
    OFF-ROAD
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    APPLICATION:
    INTAKE
    UNITS:
    EACH
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PROX Exhaust Valve 28.1323-1

    PROX Exhaust Valve 28.1323-1

    PROX

    $29.95
    PROX Exhaust Valve 28.1323-1Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260670
    SKU:
    09260670
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • PROX Intake Valve 28.1323-2

    PROX Intake Valve 28.1323-2

    PROX

    $19.95
    PROX Intake Valve 28.1323-2Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260671
    SKU:
    09260671
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    RIDING STYLE:
    OFF-ROAD
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PROX Exhaust Valve 28.1338-1

    PROX Exhaust Valve 28.1338-1

    PROX

    $39.95
    PROX Exhaust Valve 28.1338-1Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260672
    SKU:
    09260672
    Availability:
    Ships Same Business Day
    Weight:
    0.07 LBS
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    APPLICATION:
    EXHAUST
    RIDING STYLE:
    OFF-ROAD
    $39.95
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • PROX Exhaust Valve 28.1381-1

    PROX Exhaust Valve 28.1381-1

    PROX

    $29.95
    PROX Exhaust Valve 28.1381-1Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260675
    SKU:
    09260675
    Availability:
    Ships Same Business Day
    Weight:
    0.08 LBS
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    PRODUCT NAME:
    VALVE
    APPLICATION:
    EXHAUST
    $29.95
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • PROX Intake Valve 28.1381-2

    PROX Intake Valve 28.1381-2

    PROX

    $19.95
    PROX Intake Valve 28.1381-2Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260676
    SKU:
    09260676
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    APPLICATION:
    INTAKE
    UNITS:
    EACH
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    RIDING STYLE:
    OFF-ROAD
    $19.95
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • PROX Exhaust Valve 28.1407-1

    PROX Exhaust Valve 28.1407-1

    PROX

    $44.95
    PROX Exhaust Valve 28.1407-1Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260677
    SKU:
    09260677
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    UNITS:
    EACH
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
    Subtotal:
  • PROX Exhaust Valve 28.2200-1

    PROX Exhaust Valve 28.2200-1

    PROX

    $24.95
    PROX Exhaust Valve 28.2200-1Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260678
    SKU:
    09260678
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    EXHAUST
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    MATERIAL:
    STEEL
    RIDING STYLE:
    OFF-ROAD
    $24.95
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • PROX Intake Valve 28.2200-2

    PROX Intake Valve 28.2200-2

    PROX

    $14.95
    PROX Intake Valve 28.2200-2Manufactured to the highest precision and quality, Constructed to meet OEM specifications, Available in standard sizes only
    09260679
    SKU:
    09260679
    Availability:
    Ships Same Business Day
    Weight:
    0.06 LBS
    APPLICATION:
    INTAKE
    MATERIAL:
    STEEL
    PRODUCT NAME:
    VALVE
    UNITS:
    EACH
    RIDING STYLE:
    OFF-ROAD
    $14.95
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    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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