Large Alternator Pulley Chev (AF4080-0000BLK) honda-siming 7T 30V requires 12 exhaust

7T 30V requires 12 exhaust valves

Alternator and water pump are 6% OD

35Mpa working pressure

2010 PIAGGIO MP3 4V IBRIDO LT I

Large Alternator Pulley Chev (AF4080-0000BLK) honda-siming 7T 30V requires 12 exhaustOversized Alternator Pulley Ford & Chev OEM 3" Diameter, Black Finish The max RPM limit of aftermarket alternators can bearound the 18000 alternator RPM mark. This works great formost factory applications until you start building engines that exceed factory RPM. Once the alternator reaches its max RPM it stops charging and your voltage drops, as well as potentially reducing the life of the alternator with the higher RPM. This oversized pulley from