PEM Heat Treated Solid Lower Shaft - 10/10 Spline - 19.75 in Long - Open Drive - PEM Quick Change EGSB the "Pro-Street" supercharger was certified

the "Pro-Street" supercharger was certified "emissions legal" by CARB and Weiand received the industry's first "E

460" outer diameter valve springs

These 3/16" thick steel shims

2 ounce imbalance

This coil pack features advanced bobbin technology

PEM Heat Treated Solid Lower Shaft - 10/10 Spline - 19.75 in Long - Open Drive - PEM Quick Change EGSB the "Pro-Street" supercharger was certifiedProduct Description: Lower Shaft 10 10 Spline 19. 75 in Long Heat Treated Open Drive Solid PEM Quick Change PEM has 20+ years experience in the manufacturing business. We are based in the midwest about 1 hour Southwest of St. Louis, MO on I 44. Our goal is to serve you with quality rear end and drive shaft products with competitive pricing. Show more