RB Concept engine and exhaust kit has pre-installed mount makes engine changeover quick and easy. Uses clutch assembly and air filter from original engine. Ready for easy bolt-on installation of Traxxas EZ-Start used with original engine. Aluminum header and tuned pipe with pressure tap installed-black in color. Eight fin orange colored aluminum head. Slide valve carburetor. This kit includes RB Concept TM523 Engine with glow plug, tuned pipe, header, two springs, pre-installed engine mount, exhaust gasket and instructions.

Fuel: Car blend with 10%-25% nitro content
Glow plug wrench and track equipment