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2019 3500 Thuren Level


New Member
Apr 3, 2024
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First post here! I recently purchased a 2019 SRW 3500 H.O. Cummins Crew Cab Long Bed. I am doing 285/75/R18 Rodge Grapplers or similar, with Method NV305 HDs, Air Lift 5000's rear and a Thuren Level w/ track bad and Bilstein 5100's! I'm having a hard time deciding on the 1.75" or the 2.25" kit. Anyone had any input on which to go with? Pictures of both trucks attached!
Any pictures of your trucks would be great as well!
Thank you in advance!


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New Member
May 11, 2024
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2.25” really goes just past level.

285s fit really good stock
View attachment 71885

2.25” on 285s is a lot
View attachment 71886

37s fill it out
View attachment 71887
Nice! So ive got a 2020 3500 sb srw HO HD aisin Laramie. 3.73 axle ratio. I dont want to diminish tow and haul capability. Found 3600lb rated 18” x9” wide wheels with 4.5 or 5.5 BS. Wanna run 12.5 35 18 BFGOODRICH HD-TERRAIN T/A KT. Kinda paranoid that 37s are too big and not available in 18”. They are available in 20” and so are the wheels.Thinking 2.25 front and 1” rear.
Installing PJ flatbed. Obviously looking at thuren and carli. Wanna do it right. Trick has Aftermarket air bags no overloads. Did you replace radius arms? What track bar did you select?
Any drawbacks to towing and hauling? Thank you in advance.

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