Part Number: 1394767-1235126

NOS 1971-1975 Ring & Pinion Gear Set This Genuine GM ring and pinion gear set is 2:73 ratio. Ring gear stamped 3984825. Pinion gear stamped 3984826. Tooth count is 15 & 41. 8 1/2" diameter ring gear. Fits 1972-1975 Chevrolet Nova, 1973-1975 Chevy Chevelle & Camaro, 1971 Chevy passenger cars, except station wagon, all with a 2:73 gear ratio. Group #5.529 Part #'s 1394767, 1235126