A727 A518 A618 46RH 46RE Transmission Reverse Servo Piston Upgrade 

fits 1967-up

Dodge Ram Dakota Durango Jeep

The original equipment design has a much thinner cross-section and is possible to cock sideways and get stuck in the bore an often break
This kit includes a proprietary servo piston designed to be impossible to flip!
Constructed of billet steel for strength, durable lip seal, sealing ring and Steel servo pin included
All Superior Transmission Parts products are proudly Made in the USA