Heli Engines for RC Helicopters

Keep your RC helicopter performing at its best with our range of heli engines, parts and accessories. From durable petrol gassers like Zenoah to high-revving nitro options, we stock engines to suit popular heli classes and flying styles. Choosing the right unit? Match displacement to your airframe (e.g. 30/50/90 nitro or 20–30cc petrol), then check crankcase mounting pattern, crankshaft thread, clutch and fan compatibility, and carb orientation. Consider governor support, starting method (pull-start or electric), and muffler or tuned pipe choices to balance noise, power and weight. New install or refresh, we can help with tuning and maintenance too—needle settings, fuel/oil ratios, glow plugs, filters and bearings for reliable running and long life. With large stocks on the shelf, fast UK delivery including next day options, and friendly service from our knowledgeable expert team, Wheelspin Models makes it easy to get the powerplant your heli deserves. Browse Zenoah petrol engines alongside essential spares and upgrades, and contact us if you’d like advice on compatibility or setup.