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A MUST FOR HIGH LOAD APPLICATIONS!! |
Thursday, March 6, 2025 |
| Reviewer:
peyton zahnd from AL,US
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If you're running a 390/420 on a kart or just a high power application, I highly recommend this inexpensive mod. It's cheap insurance to insure that your crank stays true in high torque situations. be sure to torque crankcase cover bolts properly, evenly, and re-torque periodically. Again, cheap insurance to insure your bottom end is happy under any situation! Thanks NR RACING!
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