![Top overhaul kit: O-ring and two caps](http://shop.stearmanpress.com/cdn/shop/files/IMG_3023LR_1024x1024.jpg?v=1691872410)
Top overhaul kit: O-ring and two caps
Everything you need for a "top overhaul": two caps and one Silicone O-ring.
Fits both the SP-445 and the SP-645 Max.
Note: the O-ring is packaged in a oxygen resistant Mylar bag, we recommend not opening until needed.