Kraftwerks Supercharger Ribbed Pulley (159-99-9507) 17130 and a model created with

and a model created with a "new stream design" to produce more intrepidness

Special Comments: FWD 1985 Buick Riviera Engine: 3

Replaces the stock exhaust system to maximize flow and produce a race car growl

Part Type:Catalytic Converters:0

Kraftwerks Supercharger Ribbed Pulley (159-99-9507) 17130 and a model created withIf 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.