HPI HPI86999 39T Ball Differential Bevel Gear

HPI HPI86999 39T Ball Differential Bevel Gear

Genuine HPI Racing 39-tooth ball differential bevel gear. This gear is the heart of the ball diff, transferring drive smoothly while allowing the wheels to rotate at different speeds through corners.

Fit a fresh gear during a diff rebuild to restore smooth, consistent action and dependable power delivery. Installs exactly like the original.

• Genuine HPI Racing part #86999
• Ball differential bevel gear
• 39 tooth
• Restores smooth ball diff action
• Direct-fit factory replacement