4L60 4L60E 4L65E 4L70E 700R4 Transmissions Sonnax Smart Shell Sun Gear Shell GM
$142.02
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4L60 4L60E 4L65E 4L70E 700R4 Sonnax Smart Shell Sun Gear Shell. This is a heavy duty upgrade for these transmission applications. This item includes Heavy Duty Reaction Shell Four-Tab Enclosed Thrust Bearing Custom Roller Clutch Race The Sonnax SmartShell is a heavy duty reaction shell kit designed to prevent damage to the rear planetary assembly. The reinforced shell is designed to withstand torque load. Thrust load passes to the carrier from the shell through the large bearing and race, bypassing the small planetary bearing.
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