Chrysler 8" IFS Dakota Durango - Gear Package w/ Master Bearing Kit Ratio::3.90 NP149's came equipped in GM

NP149's came equipped in GM vehicles with RPO codes: M32 & NP3

1L V8 engines

0" IFS - Master Overhaul Kit

GMC G25/G2500 Van (1970-1974)

GMC P1500 (1979-1980)

Chrysler 8" IFS Dakota Durango - Gear Package w/ Master Bearing Kit Ratio::3.90 NP149's came equipped in GMChrysler 8" IFS Gear Package Description Package Includes: (1) Ring and Pinion Gear Set (Choose Ratio Above) (1) Differential Master Bearing Install Kit *Note: The Chrysler 8" IFS has a carrier break at 3. 31 & numerically lower 3. 54 & numerically higher. That means if you have a 3. 31 ratio from the factory, and would like to run a 4. 10 ratio, you will need to buy a new carrier. Contact support if you need help figuring out what carrier you have.