Product Description
Differential ring gear and pinion
FIAT 124 Spider and Sport Coupe 1969 to early 1978
4.1:1 (41/10) ratio
Lowers engine rpm by approximately 5% compared to the 4.3:1 gears that came in most Spiders, resulting in quieter highway driving and better fuel economy
Especially nice with modified engines
Fits front loading differentials