Use a TH350 where a 700R4, 4L60 or 4L60E used to live, and keep the NP208 / NP241 transfer case. Once installed, the output end of the TH350 looks identical to a 4WD 700R4, so no driveline modifications are needed.
Features
- Adapter casting and new TH350 output shaft
- Transmission dust cover, new kickdown cable, O-ring and dipstick included
- No driveline modifications required
What is included
- Adapter casting
- TH350 output shaft
- Dust cover
- Kickdown cable
- O-ring and dipstick
- Installation instructions
Fitment
- GM TH350 automatic, 1969-81 pickups and cars
- GM New Process 208 and 241, 27 spline input, used in full size GM trucks from 1981-2000
Good to know
- A kit that uses a stock 2WD output shaft is also offered as 50-8506
Not sure this fits your build? Send us your vehicle, engine and transmission and we will confirm fit before you order.