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Sonnax GM 700R4 Billet Forward Piston 4L60E 4L65E 4L60-E 4L65-E Automatic Transmission
OPT Product Code: SNX-77764-01$159.94
Product Details
Sonnax Billet Forward Piston 700R4 4L60E 4L65E Transmission. Part Summary: The OEM cast aluminum forward piston frequently breaks due to rough castings and high stresses. This billet aluminum forward piston eliminates these concerns by using high strength billet material and a design with added contours in the high stress areas. This piston can be used by itself or with Sonnax input housing reinforcement sleeve kit 77733-01K. No machining or modification is required to use this piston and it can be used in all 4L60/4L60-E/4L65-E as long as it is used in conjunction with an aluminum over run piston.
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