HPI 72215 Gear Diff Adjustment Spring Set Medium Firm & Stif Tires/Wheels Industry standard bead mounting diameter

Industry standard bead mounting diameter of 1

A factory-installed JST power connector allows convenient installation in compatible models without replacing or soldering the battery plug

Suitable for off-road and high-dust conditions

front toe links

2 aluminum CVD driveshafts

HPI 72215 Gear Diff Adjustment Spring Set Medium Firm & Stif Tires/Wheels Industry standard bead mounting diameterHPI 72215 Gear Diff Adjustment Spring Set Medium Firm & Stif Genuine HPI Racing gear diff adjustment spring set including medium, firm, and stiff options. Swapping diff springs changes how the differential loads up, letting you tune power delivery and cornering behavior to suit your driving. A simple, effective tuning set that also replaces worn springs to restore consistent diff action. Genuine HPI Racing part #72215 Gear diff adjustment spring set