Hpi Racing 101588 Turbo Underhead (F3.5 Pro) servo Compatible 1/8-scale RC vehicles supporting

Compatible 1/8-scale RC vehicles supporting a 2S battery

For 2S batteries

Tooth count sets your gearing

0mm hard-compound clear polycarbonate body designed for the Inferno MP9 TKI4

Hpi Racing 101588 Turbo Underhead (F3.5 Pro) servo Compatible 1/8-scale RC vehicles supportingHpi Racing 101588 Turbo Underhead (F3. 5 Pro) This is a genuine HPI Racing turbo underhead for the F3. 5 Pro engine. The underhead forms the combustion chamber geometry that the F3. 5 Pro's performance is built around, so a clean, undamaged underhead is essential for consistent power and tuning. If yours has been damaged or worn through many gallons of running, this factory replacement restores proper sealing and combustion. Fits the F3. 5 Pro and