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Recommended Helper Springs for 2012 Nissan Titan Pro-4X

Question:

Hello I have a 2012 Nissan Titan Pro-4x 4WD. I am torn between adding helper leaf springs vs sumo springs. I tow an 8,000lb trailer and my goal is to level the truck out and get rid of the rear sag as much as possible. I understand they are similar but which option would reduce the rear sag more and create a better ride? Any advice would be appreciated. Thanks!

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Expert Reply:

I'm really glad you asked because we only have one confirmed fit for the Pro-4x model. It is the Timbren Suspension Enhancement System - Rear Axle # TNRTTNB which is a jounce style enhancement rated for 6,000 lbs load support. It will give you a progressive support as it provides additional support as needed to increase stability while reducing body roll and vehicle sag. It will not change the factory ride when not hauling a load, but will engage as needed for payload and towing.

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Question:

I went with the Timbren and love them. I am going to do the front next. Do you think if I added a couple Timbren spacers in the front and back, I could raise the truck an inch or two? I am not worried about the unloaded ride. I actually like the stiffer ride better. Thanks!

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Expert Reply:

Great! Yes, if you want the Timbren springs to engage sooner or all the time, you can use spacers as desired. The Timbren Suspension Enhancement System - Rear Axle # TNRTTNB will be compatible with the Timbren 1/2" Spacer for Raised Frame Vehicles # TA25722-90F00 or the Timbren 1" Spacer For Raised Frame Vehicles - 1/2" bushing # TA25723-90AD00. You will need longer M10 bolts grade 8.8 Z from a local hardware store to accommodate the difference in height when spacers are added.

There is not a fit for the front of your Pro-4X model from any of our manufacturers so you may just want to add spacers to the factory jounce stops.

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