JW12 3 Port .12 Complete Coupling (rebuild kit) EB48 4 5x10mm) and our special

4 5x10mm) and our special crush shims which are at the heart of the slop free design

without the added size and weight of the full size modified power cap modules

Tire Weight: 3

The Variants

the Short Course gets the IFMAR World Championship winning treatment

JW12 3 Port .12 Complete Coupling (rebuild kit) EB48 4 5x10mm) and our specialThis is a complete coupling for the JW12 3 Port . 12 nitro 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! This coupling is only for the 3 Port engine. It is not compatible with the 5 Port engine.