PROCHARGER P1SC D1SC F1 PULLEY SHAFT VITON SEAL PULLEY SHAFT SEAL D1 P1 F1 $24.99 Brand National Oil Seals Type Pulley Manufacturer Warranty No Warranty condition New other (see details) Brand new National Viton seal. Fits the following Procharger head unit imperller/pulley shaft P1scD1scF1 Any questions please ask! I package my parts with care & ship fast! Thanks!