This is a complete coupling for the Classic RC "Big Dog" monster truck engine.
Includes an assembled piston, connecting rod, sleeve, combustion chamber, o-ring, and head shim.
Classic RC Engines Coupling for Big Dog Engine - 3120048
- Gift Guide
-
R/C Vehicles
-
Parts Finder
-
Tires & Wheels
-
Nitro & Engines
Nitro engines and the parts to run them
Stop fighting that clapped out carburetor. Drop in a Classic RC carb and chase your neighbor's dog, not your tune.
- Electronics
- Community
- Gas Truck Central