Complete Coupling for Speed Secret Engine New Arrival Ideal for 1/10 scale off

Ideal for 1/10 scale off road engines such as the Traxxas TRX2

this setup is designed for pure driving enjoyment and hassle-free maintenance

a high-quality upgrade intended for use on the front or rear of the Traxxas® Mini Maxx® 1/16 4WD Brushless Monster Truck

Fits: XB2’20Gear differential case with 53T pulley for LCG Differential made from specially-formulated graphite composite mixture for increased strength and lower weight

Complete Coupling for Speed Secret Engine New Arrival Ideal for 1/10 scale offThis is a complete coupling for the Classic RC "Speed Secret" drag racing engine. Includes an assembled piston, connecting rod, sleeve, combustion chamber, o ring, and head shim.