Silca Pista and SuperPista Nut and Washer Kit

Hardware required to support a leather washer in all Silca floor pumps- Recommended when replacing a leather washer to avoid post-install loosening- Includes locking nut, lower washer, and back nut- Compatible with all Pista/SuperPista pumps- 28mm diameter or pumps prior to 2008 use the thicker 24.6mm back washer- 30mm diameter or pumps after 2008 will use thinner 28mm back washer