Magazine sealing O-rings mp-661 k blackbirds, drozd, mp-654k for saddle of the valve with newest design with fast replacement seal, upgrade repair kit made to order. This tuning repair kit allows keeping one saddle for valve in perfect working order for a long time with maximum performance.
The offered retrofit repair kit is ideal for all models MP-661K Blackbird, Drozd, MP-654K and MP-656K. This upgraded kit consists of:
1. Sealing O-rings internal for installed white color made quality solid polyurethane (5 pieces),
2. Sealing O-rings external for installed black color made durable wear-resistant rubber, allows thicker walls for better and longer seal (5 pieces).
The package delivery includes upgrade repair kit for newest valve seat.