| Brand | HPI |
|---|---|
| Country of Origin | China |
Check the listing for details. RC Engine Ceramic Ball Bearings - HPI NITRO STAR S-25 W/Pullstart (by Force). Condition: New, Made in China. Listed at 29.99 USD. HPI Nitro Star S-25 W/Pullstart. Ceramic Engine Bearings are a Great Performance Upgrade! Improves driveline efficiency, acceleration, mileage, weight, unsprung weight, and more! Ceramic Ball Bearings are up to 40% lighter than Standard Ball Bearings.