Spacer Kit for Timbren Kit that Fits 2021 Ford F-350

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Question:

I installed a SES FRTT350J rear severe service kit on my 2021 Ford F350 dually. The gap between the top of the axle and the rubber bumper is now 2.5inch when unloaded. Timbren calls for an unloaded 0.5 to 1.5 inch gap. Can I use a 1 inch and a 0.5 inch spacer from Timbren on this SES kit to close the gap to 1.0 inch. I will need to get longer bolts. what size should they be? Thank you,

asked by: Gary C

1

Helpful Expert Reply:

To get the gap close enough between the axle and the Timbren kit you installed you would want to install the spacers like you mentioned. For that we have the 1 inch spacer part # A25723-90AH00 and the 1/2 inch spacer # TA25723-90AD00. To pick out the correct bolt length you'd want to take the bolt you have now with you to a hardware store and buy one that is 1-1/2 inches longer than what you have now that is Grade 8.

If for some reason you feel the ride quality is too harsh you could remove the 1/2 inch spacer too to find the best balance between support and ride quality.

expert reply by: Jameson C

1

Answer 1

If you're carrying heavy payloads, the Timbren Suspension Enhancement System - Rear Axle #TFR350SDJ are the perfect solution and are a confirmed fit on the 2020 Ford F-350. The great thing about these Timbren SES Springs is that they only engage…

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Answer 2

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 3

Since the pin weight of your camper is 2.1k, I recommend going with the LoadLifter 5000 opposed to the 7500. While technically there is not reason you couldn't use the 7500 kit, it really is not necessary for a camper like yours. Generally the…

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Answer 4

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Answer 5

Hello Bruce, Great question. The correct Timbren kit for your 2022 Ford F-350 Super Duty is the Timbren Suspension Enhancement System - Rear Axle #TFR350SDJ. This fits both 2WD and 4WD models. Timbrens replace your factory bump stops with a…

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Answer 6

Hey Darrell, great question! The Timbren Suspension Enhancement System #TFRSDJ is what you want for your setup. This is designed for your typical towing and hauling. The #TFRTT350J is the severe service kit. The springs may have a lighter capacity,…

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Answer 7

Hey Bob, thanks for reaching out, and good question. For that setup, as long as the tray is properly secured in the portion that is touching the floor, it will be just fine. It might be a bit more difficult to install since you can't secure the…

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Spacer Kit for Timbren Kit that Fits 2021 Ford F-350

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