•Patent Pending Technology

Currently in production and will be available to ship early April

In many instances I will also replace anything that is dingy not listed

stainless volute bolts

MSP 5.5" E36 Z3 ISR Dinan Supercharger 8-rib Crank Pulley Flex Disc •Patent Pending TechnologyIncrease 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