Sonnax introduces 4L60-E, 4L65-E heavy-duty remanufactured valve bodies - Transmission Digest

Sonnax introduces 4L60-E, 4L65-E heavy-duty remanufactured valve bodies

Sonnax highlights its heavy-duty remanufactured valve bodies for ’96–’08 GM 4L60-E/65-E transmissions. Two part numbers are offered: GM053-HD, which the company says offers improved sprag/clutch durability in D3 first and second gears; or GM054-HD (pictured above), which adds overrun clutch control to those gears plus D4 first, second and third, the company says.

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