Blue Flame Ultimate Pitching Machine Spring Kit (1)
- Replacement Power Spring Kit for Blue Flame Ultimate Pitching Machine also known as UPM 45.
- Rubber Strips are shipped inside the spring.
- Replacement Spring Kit for Black Flame Ultimate Pitching Machine.
- Replacement spring Kit for Louisville Slugger Ultimate pitching Machine.
- Kit Includes: Spring, 2 Rubber Strips for Throwing arm, 2 Bolts to attach Spring.