Pinasco 26028506 EVOTEN BOOSTER FULL GT 4643mm Thermal Group, 12mm Pin, 22 25 28 mm Exhaust PIAGGIO 50 CIAO SI BRAVO BOXER

Ciao-Si-Bravo "EVOTEN BOOSTER" 26028506 GT 46x43mm Full Cylinder Kit, 12mm Pin, 0 22 25 28 mm Exhaust 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" cylinder kits, in the standard version, are supplied with 22mm flanged Pinasco exhaust manifolds, in the FULL version with 22, 25 and 28mm ones, central spark plug head with 5 studs fixed flush which definitively eliminates the problem of vents in the combustion chamber and the consequent drops in performance; compression ratio of 13.5:1.