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I've been selling this adapter for over ten years over at SilveradoSS.com but I still don't think there are a lot of people that know about it. Our adapter allows you to run a NVG149 (or NP149) behind a 4L80E or 6L80E Transmission. We have even had a couple customers use it behind a 32 Spline T-56 transmission. Our input gear converts the NVG149 transfer case to a 32 Spline input. If you want to run a AWD transfer case and a 4L80E or a 6L80E, our gear is the way to go. We have been selling these for over ten years and have not had a SINGLE failure. Unlike turned down shafts that will fail (its only a matter of time as its the weak link), we have been able to run over 1600hp thru our gear in an Escalade with no problems.
There is two ways to order a gear:
1) Send us a gear to modify, cost is $485 shipped (+ sales tax in Michigan)
2) We provide a brand new gear and have it machined, cost is $635 shipped (+ sales tax in Michigan)
Lead time is usually 1 to 2 weeks. If you are interested, just give us a call or shoot us a PM.
Our input gear next to a 4L80E output shaft Our input gear on a 4L80E transmission A NVG149 transfer case bolted up to a 4L80E with our input gear installed
Jan 3, 2022 | 08:14 PM
np149 to 4l80e adapter
