Kraftwerks Rotrex Supercharger Ribbed Pulley (R50-99-0105) _37mm_(Rear)_(2018_MK7.5_GTI_DCC) the cooling system is no

the cooling system is no exception

Engineered to release available horsepower by redesigning the crankshaft outer pulley

exceed strict quality requirements

It is also available with black chromed tips (part number 140881BC)

Kraftwerks Rotrex Supercharger Ribbed Pulley (R50-99-0105) _37mm_(Rear)_(2018_MK7.5_GTI_DCC) the cooling system is noIf you want your ROTREX supercharger work more efficiently, then it is vital to provide it with ROTREX or KRAFTWERKS pulleys as they will improve your vehicle performance. The supercharger compresses the air into the combustor and the pulley enables its spinning, so the faster the supercharger spins the more air will be compressed. That's why having a proper pulley will provide a pressure boost and therefore will increase the supercharger efficiency.