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- Size M4 Flywheel Coupling Hub
- 1/2" RSB
- Max. Bore 3 3/8"
| Outside Dia. | 13.875 in |
| Bore Dia. [Min] | 1/2 in |
| Bore Dia. [Max] | 3 3/8 in |
| Input Bore Range | 1/2" to 3 3/8" |
| Torque Rating [Max] | 21000 in lb |
| Coupling Size | M4 |
| Length Through Bore | 2.275 in |
| RPM [Max] | 3000 rpm |
| Weight | 4.0 LB |
