The hottest new Sonnax transmission upgrades for 4L80-E, 6L80, 4R100/5R110W and 4R70W applications are showcased at SEMA 2018. More info about the parts and where to buy them can be found at www.sonnax.com, but feel free to post questions here. We'll answer them as soon as possible. 4L80-E, 4L85-E & 400 Parts www.sonnax.com/units/457 - Extreme Duty Forward Clutch Hub Kit - Extreme Duty Main Shaft - Shift Lever Kit (Fits 400 only, www.sonnax.com/parts/4577) - Heavy Duty Case Bushing Kit - Smart-T
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