October 29, 2014

NEW! GM 4L60/E Series 2.84 Ratio Input Carrier Kit

Featuring several advanced design benefits, the high-quality Sonnax 2.84 ratio input carrier kit 77284-K changes the 1st & 2nd gear ratios of GM 4L60, 4L60-E, 4L65-E, 4L70-E transmissions from a "wide ratio" 3.06/1.63 to a "close ratio" 2.84/1.55 configuration delivering better performance and consistency in racing applications.

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