Revised reed blocks with increased flow, vulcanised as Sport PRO version with NBR or as R/T version with Viton to be used with fuels that contain a high percentage of alcohol. Included in the delivery are three stuffers with 24.26 mm and 28 mm passage; the version for Minarelli engines additionally
comes with a 4 mm spacer to be mounted under the reed valve. This results in better cylinder charge and improved scavenging of the boost port with fresh charge. The Sport PRO version comes with 0.35 mm and 0.40 mm glass-fibre reeds and the R/T version is delivered with 0.35 mm carbon and
0.40 mm glass-fibre reeds.