Kraftwerks Rotrex Supercharger Ribbed Pulley (R50-99-0110) _Cast_356-F_Aluminum Crafted using premium carbon fiber

Crafted using premium carbon fiber materials and advanced manufacturing techniques

7 (J65) 1982 Pontiac Firebird Engine: 5

Direct Fit With Factory or Aftermarket GrimmSpeed Header/J-Pipe

4WD 1975 Chevrolet K20 Suburban 4WD

Seibon hoods are inspected thoroughly for quality and fitment

Kraftwerks Rotrex Supercharger Ribbed Pulley (R50-99-0110) _Cast_356-F_Aluminum Crafted using premium carbon fiberIf 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.