For more information, call one of our associates listed below:

Info on Mopar A855
John Huff
Yellowstone Garage
(307) 262-0125

Jamie Passon 
Passon Performance
(570) 401-8949

Info on Muncie M25
William Fuss
GFI
1800-880-9954 EXT# 103
​7:30 A.M. to 5:30 P.M. EST

For Transmission Service call:

Seth Garrett
GFI 
1800-880-9954 EXT# 104
​7:30 A.M. to 5:30 P.M. EST

5SR Platforms

Mopar
A855

General Motors
M25