NP231 Shift Mode Synchronizer Ring 1987-1995 Jeep Wrangler YJ by Omix-ADA Is your NP231 transfer case not shifting right? Do you cringe from the grinding noises when you shift? Omix-ADA has the NP231 internal parts you need to fix your Jeep's transfer case. Fix it and enjoy your ride.

Let us install it!

Call Overly's Offroad at 865-995-9800 for installation or help.

PROP 65 INFO FOR CA RESIDENTS: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For general info. on Prop 65 see: p65warnings.ca.gov