B&M shift improver plus $20 shipped
 

i have a B&M electronic shift improver plus for sale. comes with instructions. for 4L60-E. i paid $45......$20 shipped.

how well does this work. I have a 94 firebird that shifts pretty hard and has that factory shift button, but was wondering how that electronic one does. let me know im interested

it works pretty good. it shifts just as hard as it did when i had the power programmer on it. let me know if youre interested.


matt