Here is a Female 16 spline (for 1-3/8" shaft), driveline coupler, 2.875" total length and a 1-3/8" ID aluminum split collar.  Commonly used with solid drive shaft systems in race cars, boat  etc.  High strength heat-treated steel, last used on a Land-speed car.   


Replacement cost $190






























































































lenco mark williams B&J transmissions