Your trusted store for on- and off-road adventures

Engine Parts /Valves & Shims

Vehicle Parts Guaranteed To Fit

We have spare parts for 25 Yamaha models.

Yamaha | YZ 450F

Choose your Model

Sorting:
14 results
  • ProX Exhaust Valve stem seal

    From

    £1.99

    RRP: £2.99 (-33%)

    ProX Exhaust Valve stem seal

  • ProX Exhaust valves and springs kit

    From

    £75.99

    RRP: £129.99 (-42%)

    ProX Exhaust valves and springs kit

  • ProX Intake valves and springs kit

    From

    £75.99

    RRP: £129.99 (-42%)

    ProX Intake valves and springs kit

    (10)
  • ProX Titanium Valve

    From

    £49.99

    RRP: £89.99 (-44%)

    ProX Titanium Valve

  • ProX Intake Valve stem seal

    From

    £1.99

    RRP: £2.99 (-33%)

    ProX Intake Valve stem seal

    (6)
  • Wiseco 9.48mm Valve Shim Set 1.2-3.5mm

    £108.99

    RRP: £149.99 (-27%)

    Wiseco 9.48mm Valve Shim Set 1.2-3.5mm

  • Wiseco Titanium Exhaust Valve

    From

    £96.99

    RRP: £129.99 (-25%)

    Wiseco Titanium Exhaust Valve

  • Wiseco Titanium Intake Valve

    From

    £96.99

    RRP: £129.99 (-25%)

    Wiseco Titanium Intake Valve

  • Wiseco Steel Intake Valve Kit

    From

    £99.99

    RRP: £154.99 (-35%)

    Wiseco Steel Intake Valve Kit

  • Wiseco Steel Valve Set

    From

    £234.99

    RRP: £359.99 (-35%)

    Wiseco Steel Valve Set

  • Hot Cams Titanium Valve Exhaust

    From

    £89.99

    RRP: £119.99 (-25%)

    Hot Cams Titanium Valve Exhaust

  • Hot Cams Titanium Valve Intake

    From

    £82.99

    RRP: £109.99 (-25%)

    Hot Cams Titanium Valve Intake

  • Wiseco Valve Titanium

    From

    £75.99

    RRP: £144.99 (-48%)

    Wiseco Valve Titanium

  • Wiseco Steel Exhaust Valve Kit

    From

    £24.99

    RRP: £34.99 (-29%)

    Wiseco Steel Exhaust Valve Kit