Pinasco Thermal Group 26028505 EVOTEN BOOSTER GT 4643mm, 12mm Pin, 22mm Exhaust PIAGGIO 50 CIAO SI BRAVO BOXER

Ciao-Si-Bravo Thermal Group "EVOTEN BOOSTER" 26028505 GT 4643mm, Pin 12 mm, Exhaust 0 22mm. The Pinasco "EVOTEN BOOSTER" 0 46x43mm cylinder kit is a new product with a 6-port cylinder and exhaust port with additional boosters. All "EVOTEN BOOSTER" thermal units, in the standard version, are supplied with 22mm flanged Pinasco exhaust manifolds, in the FULL version with those of 22, 25 and 28mm, unified central spark plug head with 5 studs fixed to the recess which eliminates definitively the problem of vents in the combustion chamber and the consequent drops in performance; compression ratio of 13.5:1.