This is a NEW complete differential pumpkin for 71-78 Fiat 124 Spider, Coupe, Sedan, and Wagon. Complete with a gearing of 3.90:1 rather than the original of 4.30:1, which yields a much more pleasant highway cruising RPM.
Complete:
Headspaced and shimmed
3.90 ring and pinion
Bearings installed
Packaged very well