November 2023
Had one of their C4 transmissions for years, won a lot of races with it
July 2023
Purchased a C4 trans from JR about 7years ago and hasn't missed a beat.Couldn't be happier!
April 2023
Dynamic did a great job with my TH400 with a brake. Customer service is excellent! And from what I understand they are also doing rear ends now.
