Differential Ring and Pinion SET 9/40 (131 Auto, 1975-76 Manual, All to 1978.5) - OE

This is a Factory OE ring and pinion gear for all 1975-78.5 Fiat 131 cars. 9/40 (4.44:1) ratio.

Originally fitted to all 1975-78.5 automatic, and 1975-76 manual transmission 5-Spd 131 cars.

Number of splines:  24

Number of bolts: 8

Ring diameter: 165mm OD / 96mm ID

Pinion length total:  185mm

Pinion bearing sizes: 28mm  / 35mm

Great for racing applications. Hard to find!

Condition: OE NOS
Original Equipment New Old Stock
New and unused.