HPI Savage Nitro Star .25 (4.1cc) 1/8th RC Truck Engine Tested & Running S-25

Its a HPI Nitro Star S-25 (4.1cc), from a HPI Savage 25. Its a complete engine and its ready to drop into a HPI Savage. Nitro RC engine in used condition. Tested it with 25% nitro fuel and it runs good through out the rev range, idles good and has good compression.

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