Compare the specs of the Storm Phaze II and Storm Rocket Ship side by side in the ball comparison table below. To view the full bowling ball review for one of these balls, click the ball name link in the table below.
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| Brand | Storm | Storm |
| Ball Name | Phaze II | Rocket Ship |
| Cover Name | TX-16 (Traction-X 2016) | R2S Solid Reactive |
| Cover Type | Reactive Solid | Reactive Solid |
| Box Finish | 3000 Abralon | 3000 Grit Sheen |
| Color | Red / Blue / Purple | Two-Tone Purple |
| Core Name | Velocity | Booster |
| Core Type | Symmetrical | Symmetrical |
| RG | 2.48 | 2.54 |
| Total Diff. | 0.051 | 0.046 |
| Int. Diff. | 0.000 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |