Banner
Competition valves to obtain additional power gain!
Here are the BOYESEN valve slats for YAMAHA DT, DTR, DTRE,… 125cc and 200, beware, these slats can only be fitted on models after 1987. These competition valves will allow you a very good gain in power both in terms of torque and 'at high speed. The patented BOYESEN system uses 2 slats on each side!
A thinner for the torque (resonant frequency at low speed) and a very rigid for high speeds (frequency in very high speeds). These valves are delivered with an ultra complete manual (carburettor adjustment etc etc,) Stops special blades removed and stickers.
Reference: LC.19.40
Top-of-the-range competition valves Made In Italy with 0.28mm carbon slats, special high performance with gas channeling.
Reference: BOY715
To increase the power and the torque of your motorcycle!
Reference: BOY602
Fiberglass competition flap covers for power gain in both torque and high speed.
Reference: LP.68.2
Top to refurbish your old machine 2 times by increasing its performance!
Reference: LC.01.126.1
A high performance valve box + straight intake pipe (90 ° angle) kit for your ROTAX 125cc motorcycle or karting! Model with high-end genuine carbon slats.
Reference: 27 7366.C0
MALOSSI Carbon Cutting Boards available in 0.30, 0.35 and 0.40mm. Top of the line. For manufacturing slats on a 2-stroke engine, thicknesses to choose from!
Reference: LC.01.125
A box kit with valves + intake pipe bent high performance for your ROTAX 125cc motorcycle or karting! Model with Karbonit fiberglass slats.
Reference: 213.0599
Planks for manufacturing POLINI carbon valve slats, certified high quality! Available in 0.25, 0.28, 0.30, 0.33, 0.35, 0.40 and 0.45mm. For all 2-stroke engines, choice of thickness!
Reference: BOY706
Ideal for increasing the power and the torque of your motorcycle! Installs on ROTAX 122 and 123 125cc 2T engine.
Reference: BOY714
Ideal for increasing the power and torque of your motorcycle!
Reference: LC.26.3
Valves with special high performance Karbonit slats at a very reasonable price!
Reference: LC.44.50
Valves with special high performance Karbonit slats at a very reasonable price!
Reference: LC.34.40
A high performance valve box + intake pipe kit for your KTM 150, 144 or 125cc 2T motorcycles! Model with genuine high-end carbon slats.
Reference: LP.01.1
High quality slats that increase performance at high speed but without neglecting the low rpm!
Reference: BOY748
Ideal to equip your unbridled and highly equipped machines!
Reference: LP.01.125
Ideal for refurbishing your double V 8-slat valve box ITALKIT! Black treated fiberglass slats "Karbonit".
Competition valves to obtain additional power gain!
