The GM 10.5" 14 Bolt axle, also known as the GM 14 Bolt and Corporate 14 Bolt has been in use by Chevy and GMC since 1973 and features a large 10.5" diameter ring gear, pinion support, and 30 spline full-floating axle shafts. They are only available in solid rear axle configurations and although they are usually found with drum brakes, disc brake conversions are readily available along with many other aftermarket parts and upgrades.
Note: This axle has a Carrier Break and gear changes may require a different carrier or thick gears.
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