Original Factory gear for GM 8.25" IFS in a 3.42 ratio. OEM gears are recommended for quiet applications where noise may be an issue. Factory gears are the quietest application available on the market and often come at a higher cost. Factory gears come with a one year warranty against defects.
2010 GM 8.25IFS Front ends equipped w/ factory 3.08 gear will need a new carrier when changing ratio. When purchasing 3.42 & up gears for a factory 3.08 application you must also purchase a YC G26018131 case with it.
Deck Height w/ 3.08 Ratio 1.780
Deck height w/ 3.42 & up Ratio 1.920
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