NV4500 Retrofit Adapter Packages Click here for conversion kits including transmission NV4500 into Early Bronco with Dana 20 NV4500 replacing Getrag 360 2wd Kit NV4500 replacing Getrag 360 4wd Kit GM NV4500 Replacing SM465 Kit NV4500 replacing T18, T19 or NP435 and NP205 Replacing GM/Chevy Fullsize TH350 Automatic Transmission & NP205 Combo with GM 32 Spline NV4500 NV4500 Replacing TH400 Click here for conversion kits including transmission