Novak Conversions Jeep Wrangler JK shifters

Teraflex ST1 1.5" kit

Offroadtherapy28

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Nov 14, 2025
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Georgia
Hello everyone. I recently installed a Teraflex ST1 1.5" kit on my 2014 2 door. I love the ride and feel of the kit. According to Teraflex the front coil springs are 2" and the rear are 1" making the kit 1.5" overall. I have noticed the rear seems to sag a little. Has anyone added a .5" or .75" rear coil spacer to this kit to fix the sag? Thanks!
 
I can attest. My 2.5" lift was a perfect fit for my JKU and the stance was everything I wanted. That is, until I replaced the factory front bumper with an OR Fab steel bumper that weighs around 80lbs. Since then, she has a slight rake, nothing that bugs the sh** outta me, but yeah, it's a thing.
 
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I have a 2016 with the same leveling kit. I really don’t notice any sag in mine.

IMG_2557.jpeg
 
I have a 2016 with the same leveling kit. I really don’t notice any sag in mine.

View attachment 130075

What size tires are you running? I'm running some 285's on my daughter's Islander. I was wanting these ST1 springs but lots of reports said that they gave a lot more lift than what yours is showing.

574234244_25035116242804471_3205192858829213888_n.jpg


I checked the PN's on my OEM springs themselves and they appear to be the HD springs used in the Rubicon's, which according to most measurements show that they're good for ~3/4" taller height over OEM Sport, standard-duty springs. I wouldn't mind ~1/2" more in the rear and ~3/4"-5/8" more in the front.
 
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I checked the PN's on my OEM springs themselves and they appear to be the HD springs used in the Rubicon's, which according to most measurements show that they're good for ~3/4" taller height over OEM Sport, standard-duty springs. I wouldn't mind ~1/2" more in the rear and ~3/4"-5/8" more in the front.

This is essentially what I did. JKU Rubicon springs on a JK Sahara. I went with a 1" spacer in front since I have a heavier front bumper and push bar (and will add a winch at some point). I purchased and was going to add 1/2" in the rear but I buttoned it up without it first and was happy with the stance.
 
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Novak Conversions Jeep Wrangler JK shifters