NOSRAM offers the breath-taking high performance nitro combo RS.21 RR & RS.21 RR 7mm Factory Team Carburetor!  

The highly improved NOSRAM RS.21 RR 1/8th offroad competition engine draws stunning 2.71hp out of 35.400rpm and provides your buggy with maximum power and speed! In addition the RS.21 RR follows the no. 1 rule of competition engines: reliability! The NOSRAM RS.21 RR 7mm Factory Team Carburetor is designed for easiest tuning and highest competition racing. This carburetor generates a smooth and efficient throttle control, resulting in an extremely low fuel consumption!  

Engine Features:
• .21cc = 3.49ccm
• rear exhaust
• XTEC competition crankcase
• race legal  

Carburetor Features:
• 7mm fixed venturi
• linear power delivery
• very low fuel consumption
• easy to tune