Engine

  • Sale! Sale!
    2026_07_22_449844
    PROX Steel Intake Valve Conversion Kit – Kawasaki
    Original price was: €149.38.Current price is: €37.34. Add to cart
  • Sale! Sale!
    2026_07_24_827875
    PROX Steel Intake Valve Conversion Kit – Kawasaki KXF450
    Original price was: €153.07.Current price is: €38.26. Add to cart
  • Sale! Sale!
    2026_07_25_3163
    PROX Steel Intake Valve Conversion Kit – KTM
    Original price was: €149.38.Current price is: €37.34. Add to cart
  • Sale! Sale!
    2026_07_24_828257
    PROX Steel Intake Valve Conversion Kit – KTM
    Original price was: €149.38.Current price is: €37.34. Add to cart
  • Sale! Sale!
    2026_07_24_828114
    PROX Steel Intake Valve Conversion Kit – KTM/Husqvarna
    Original price was: €149.38.Current price is: €37.34. Add to cart
  • Sale! Sale!
    2026_07_22_449940
    PROX Steel Intake Valve Conversion Kit – Suzuki RM-Z450
    Original price was: €137.77.Current price is: €34.44. Add to cart
  • Sale! Sale!
    2026_07_24_827981
    PROX Steel Intake Valve Conversion Kit – Suzuki RM-Z450
    Original price was: €137.77.Current price is: €34.44. Add to cart
  • Sale! Sale!
    2026_07_25_3116
    PROX Steel Intake Valve Conversion Kit – Yamaha YZ450F
    Original price was: €137.77.Current price is: €34.44. Add to cart
  • Sale! Sale!
    2026_07_24_827920
    PROX Titanium Exhaust Valve
    Original price was: €91.59.Current price is: €27.47. Add to cart
  • Sale! Sale!
    2026_07_22_441439
    PROX Titanium Intake Valve
    Original price was: €103.58.Current price is: €25.89. Add to cart
  • Sale! Sale!
    2026_07_22_449786
    PROX Titanium Intake Valve
    Original price was: €91.59.Current price is: €27.47. Add to cart
  • Sale! Sale!
    2026_07_22_442635
    PROX Titanium Intake Valve
    Original price was: €98.65.Current price is: €29.59. Add to cart