MSP 5.5" E36 Z3 ISR Dinan Supercharger 8-rib Crank Pulley 1305621828 I run this clutch stop

I run this clutch stop

Extra cluster needle set pulled from E36 Z3 non-M clusters

OBD Wizard Pro Required for CEL Elimination

Comes in original white primer with the tape kit preinstalled

MSP 5.5" E36 Z3 ISR Dinan Supercharger 8-rib Crank Pulley 1305621828 I run this clutch stopIncrease your E36 Dinan supercharger belt grip and boost with an original Dinan spec upgrade. Dinan had a rare 10psi Intercooled Z3M ISR Roadster that used a 5. 5" 8 rib crank pulley. This is a replica of that. A standard E36 Dinan supercharger pulley is 5. 14". Modest dimensional increase gains of 5. 5" mean the potential for more boost if so desired. Currently in production and will be available to ship early April A standard E36 Dinan supercharger