This is the Main Carb Body for the HPI Nitro Star S-25

Diameter: 1/4" (6mm)

6mm washers

this set makes it easy to replace worn wheels or switch up the look of your truck

matching standard Unitrack geometry so it drops neatly into ovals

HPI Racing 108948 Throttle Servo Saver Set Octane Savage XL Octane RTR TEN-SCT Parts This is the Main CarbHPI Racing 108948 Throttle Servo Saver Set Octane Savage XL Octane RTR This is a genuine HPI Racing throttle servo saver set for the Savage XL Octane RTR. The servo saver protects your throttle servo from shock loads, helping preserve smooth, reliable throttle control. Replacing a worn servo saver restores crisp response and protects your electronics investment. This factory set installs directly in place of the original components. Genuine HPI Racing