"Hot Rod" 3 Port .21 Complete Coupling (rebuild kit) Pre-Mounted Operating Voltage: 5

Operating Voltage: 5

Black Oxide coated for durability and protection against oxidation or corrosion

each verified through internal testing to ensure the highest efficiency possible

This part by Louise RC is a genuine OEM part for your rc car

Brushless and Brushed Motor Drive

"Hot Rod" 3 Port .21 Complete Coupling (rebuild kit) Pre-Mounted Operating Voltage: 5This is a complete coupling for the Classic RC "Hot Rod" 3 Port . 21nitro engine. A complete coupling is a matched set that includes a fully assembled piston, sleeve, connecting rod, combustion chamber, head shim, and under head o ring. If your engine needs to be rebuilt, this is the ticket!