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4 Series Car
8620 Street / Oval Track Gears '65 - '72 Chevelle / Chevy II, '67 - '72 Camaro, '70 - '72 Nova / GTO / Firebird | 1.625" diameter pinion stem, 30 spline pinion, 4 Series (Original Carrier 3.73 and numerically higher). These gears are manufactured from 8620 alloy and are primarily for street, oval track, and lighteweight drag racing applications. Gears are designed to provide excellent service life, but are susceptible to high shock loads. Uses install kit P/N 83-1019.