904 Accumulator Spring

Yup...bougth a few of those thru the years...

http://www.jegs.com/i/Mopar-Performance/312/P4007899/10002/-1


Enjoy firmer, quicker shifts with these Shift Improver Packages. On 1971–86.5 A-727/A-904 transmissions, the part-throttle kickdown is retained. For general purpose/high-performance use.