Compare the specs of the Track Kinetic Cobalt and Track Stealth Pearl 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 | Track | Track |
| Ball Name | Kinetic Cobalt | Stealth Pearl |
| Cover Name | QR-7 Hybrid (HK22) | QR-9 Pearl (HK22) |
| Cover Type | Reactive Hybrid | Reactive Pearl |
| Box Finish | 500 / 1500 / 4000 SiaAir | 500 / 1000 / 1500 SiaAir / Factory Compound |
| Color | Cobalt / Black | Raven |
| Core Name | Shuttle | Stealth |
| Core Type | Asymmetrical | Symmetrical |
| RG | 2.480 | 2.482 |
| Total Diff. | 0.040 | 0.056 |
| Int. Diff. | 0.006 | 0.000 |
Torque Length Back End Total Hook Ball Tester Ratings | Already a premium member? Click here to log in. | |