JT Steel Sprockets are manufactured using only the finest grade of C49 high carbon steel for the rear sprockets, and SCM420 chromoly steel alloy for the front sprockets
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1984-1985 | Yamaha | FJ600 | |
| 1986-1988 | Yamaha | FZ600 | |
| 1982-1983 | Yamaha | Maxim 400 XS400 | |
| 1981-1983 | Yamaha | Maxim 550 XJ550 | |
| 1986-1990 | Yamaha | Radian 600 YX600 | |
| 1982-1983 | Yamaha | Seca 400 XS400R | |
| 1981-1983 | Yamaha | Seca 550 XJ550R | |
| 1992 | Yamaha | Seca II 600 XJ600S | |
| 1982 | Yamaha | XS400S Heritage Special | |