Check valves POLINI carbon 0,30mm for vertical minarelli (booster rocket, bw's)

The racing valves POLINI for vertical minarelli engine has a prepared ABS case sharpened and enlarges as it should, the position of the slats is reviewed and corrected to the millimeter to avoid bad arrivals, gaseous clusters face lamelles ... l e everything for a perfect broadcast.

The 0,30mm high quality carbon plate is fixed by a drilled / machined stop plate (to avoid clumps always). This stop is fixed via 2 allen screws and 2 square nuts. Very good valves with joints to accompany a pipe and carburetor of 17.5mm minimum.

Mounts on :

APRILIA: AMICO 50 - SR 50 mod.1993
ITALJET: PISTA 50 1/2-YANKEE-SCOOP 2/3
LEM: FLASH 50 - GHIBLI - TORNADO SS1
MBK: BOOSTER 50 - BOOSTER 50 dal 2004 -> - BOOSTER 50 GENERATION NEXT - BOOSTER 50 R-ROCKET - BOOSTER 50 SPIRIT - BOOSTER 50 TRACK - SORRISO 50 - STUNT 50 - TARGET 50
YAMAHA: BW'S 50 dal 2004-> - BW'S 50 NEXT GENERATION - BW'S 50 R 12 - BW'S 50 ZUMA - CRZ 50 - CT 50 - NEO'S 50 - SLIDER 50 - SPY 50