I think I've made my choice clear here on this forum many times.....Keisler,.... the versatility of transmission and reliability, I feel out weigh the other choices out there......if a moderate OD and factory look is what your after?....go with Passon.....but if your looking for modern technology to improve your vehicle, Keisler is the only choice!......Gear Vendors is a "cheap" substitute that pales in comparison to either Keisler or Passon