C4 Wide, Babbit Pump Bushing [DA4W1]
Availability: In stock.
Price: $8.95 / ea
Everyone knows that supporting a rotating part in as many places as possible will extend the life of that part.
The same theory goes with the bushings inside your transmission.
By spreading the load across a wider area you are reducing shaft wear and keeping running true.
A narrower bushing, like the stock c4 part, can cause excessive runout and increase wear when used in a performance application