Slats ITALKIT competition valves for motorcycle Yamaha TZR, TZM 80 and 50 (before 1998), RXK 135 TXR 150, 250 and BETA ZERO125

Ideal to refurbish your used valve slices and to increase the performance of your old 2-stroke, here are ITALKIT valves strips COMPETITION, these double slats are attached and have a carefully selected thickness to increase performance in high speed without losing couple low revs. Very good they are cut in a fiber glass top range KARBONIT called black.

Itself on:

-YAMAHA TZR 80cc RR TZR 50cc before 1998, before 1998 TZM 50cc, 135cc RXK, TXR 150cc ...

-Beta ZERO 125cc, 250cc ZERO ALP / SYNT ...

Size 40X44mm between fixing axis 2 20mm screw.