Sipple Max Effort 8-Speed Transmission Refresh Service
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Sipple Speed and Performance Max Effort NAG1 Transmission for Dodge vehicles.
We only offer one level of transmission the "Max Effort". These are the race proven, fully built transmissions.
We don't just throw a bunch of clutches in and hope for the best. There is a reason Sipple's Max Effort Transmissions lead the lists online, and the winner's circle at the track.
MAX EFFORT NAG1 BUILD
-This includes the billet input shaft, extra capacity drums and performance frictions, and high pressure performance valve body.
Core option: choose “Yes” if you will send in your stock transmission as a core; choose “No core” to buy the unit outright.
Limited stock: please call or email to confirm availability before ordering.
Questions or fitment help? Call Max Redline / American Muscle Performance at 954-507-6261 or email Sales@americanmuscleperformance.net. Have your VIN ready.