3DFS400A – Automatic 3-Speed TH 400 4″ Tailhousing


Rear Gear Ratio

Speedometer Type

Is your speedometer set up as mechanical or electrical

Tire Size

SKU: 3DFS400A Category: Tags: , , ,


Muscle Car/Hot Rod/Racing 2-Wheel Drive 2/3-Speed Automatic

Automatic 3-Speed TH 400 4″ Tailhousing. Replaces 4″ tailhousing. Small block and Big block cars.

Install price – $750.00*

*Typical install & drive shaft modifications. Does not include any modifications to exhaust, transmission tunnel or any other custom modifications that may be required