JRSC High-boost pulley 3.0 Inch B16 B18 Jackson Racing Supercharger 3"

1320 Performance 3.0 Pulley for the JRSC superchargers For Honda / Acura with belt keeper raiser Our special design with both side of the pulley raised to keep the belt inside the pulley our design hassuccessfully reduced the belt jumping or belt come off track issue  before the new pulley at the drag strip or track event after 5-7 throttle races, the belt would skip a rib or fall off the pulley afterthe new pulley design after 30 full throttle races the belt stay put.   Fits Jackson racing supercharger for B series engine.   1991-2001 Acura Integra LS/GSR   1997-2001 Acura Integra Type-R / SI   97-01 Honda CR-V with B20 engine. (Warning: due to b20 use a bigger crank pulley extra boost is to be expected)   Due to many engine setup, crank pulley used. alternator steeper pulley is used and also temperature and elevation differences many different boost level will be experienced. but on a standard GSR engine setup with all original crank pulley at sea level around 10 PSI can be expected