These have been Officially Licensed by the Mickey Thompson Performance Tires and Wheels company and are only available from RC4WD

1/10 scale R/C model assembly kit

instead of bushings

Torque: 85oz-in @ 6

Estes Rockets - F15-4 29mm Model Rocket Engines (2pk) Engines .19-.30 in³ (3.0-4.9 cc) These have been Officially LicensedTake your flights to the next level with the Estes F15 4 engine a powerful mid power engine designed for model rocket enthusiasts seeking longer thrust duration and higher lift capabilities. With 49. 61 N sec of total impulse and a max thrust of 25. 26 Newtons, this engine is built to launch heavier rockets to stunning altitudes with confidence and control. The F15 4 offers more than just raw power it's engineered for dependable, sustained flight. The