HPI RS4-3 NIRO POWERED RC CAR ?

Hpi rs 4-3 1/10 scale car, running well, just come back from model shop after having new clutch fitted and a tune up which cost 35, has single speed box on and is good for 40mph+, also included is a 2 speed box which needs a gear replaced (5 from any model shop) and then good for 55mph+, you will need a glow starter caus I only have 1 and use this for my other cars, comes with small amount of fuel and buyer can see running, any questions please ring or txt me on 07847489320. Thanks