*One-way shipping only. Not valid for AK or HI.
Restore proper hydraulic bore fit in GM 4L60‑E, 4L65‑E & 4L70‑E valve bodies with the Sonnax 77754‑RM5 precision reamer, ideal for isolator and valve upgrades.
Bench tool kits 77754-SERV and 77754-RM5 are available for reaming GM SERV (remanufactured valve bodies).
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