The single-chamber design dramatically increases bottom-end punch by nearly 20% between between 10

Fits HPI Trophy Truggy 4

and boats and are plastic and paint compatible

just like Pro-Line’s immensely popular Bead-Loc Wheels

set throttle trim on radio to neutral before setting idle

Hpi Racing 110612 Crankcase Summit Parts The single-chamber design dramatically increasesHpi Racing 110612 Crankcase This is a genuine HPI Racing replacement crankcase for compatible HPI nitro engines. The crankcase is the foundation of the engine, holding the crankshaft bearings in precise alignment and sealing the bottom end. A worn or damaged case causes air leaks and vibration that make an engine impossible to tune, so this factory replacement is the right basis for a full rebuild of a well used powerplant. Genuine HPI Racing