HPI Racing Nitro Star F4.6 Engine - Low Compression/Gummy? As Is

Vintage HPI Racing Savage Nitro Star Big Block F4.1? F4.6? Nitro Engine Used

HPI Nitro Star F4.6 2 stroke glow engine Good Shape - No Glow Plug

Stuck Piston / For Parts: HPI Racing .21 3.5 Nitro Star Engine Used

Hpi Nitro Motor

No Compression? HPI Racing .21 21 3.5 Nitro Engine Used

HPI Racing .25 3.5 25 Nitro Engine w/ Carb (No Cooling Head) - Turns Free

FC 3.5 Nitro RC Engine with OFNA 26 Head for parts/repair with other misc.