USA Standard Gear & Install Kit for Jeep JK Rubicon w/D44 Front & Rear in a 4.56 Ratio

USA Standard Gear & Install Kit for Jeep JK Rubicon w/D44 Front & Rear in a 4.56 Ratio

Marsoni

M251S

$794.45

Get it in 3 business days with 1 day shipping. Friday, May 29

USA Standard Gear & Install Kit for Jeep JK Rubicon w/D44 Front & Rear in a 4.56 RatioSKU: ZGK054 UPC: 883584400226 USA Standard Gear ZGK054 Jeep JK Rubicon D44 Front & Rear 4. 56 Install Kit USA Standard Gear ZGK054 is a complete re gear and installation kit designed for Jeep Wrangler JK Rubicon models equipped with Dana 44 front and rear axles. It delivers a 4. 56 gear ratio using precision ring and pinion sets paired with full master overhaul kits containing bearings, seals, and shims. This setup restores power for larger tires

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This is one of the good ones. There are other brands just as good, and manny brands are worse, but this handles well, rolls down easily, doesn't come off at all easily, and adapts to dips and curves like a champ. Appropriately heavy and dead, I'm happy with the way it smothers panel resonances and even at muffling direct sound, like a big hand over my Uncle Harry's eternally noisy mouth. You can rip the foil but you have to work hard at doing that. Remember to buy a brayer; you can roll overlaps nice and thin. Also remember to pre-wipe the sheet metal with a decent solvent like acetone or Stoddard/Varsol. It should last forever.

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Reviewed in the United States on April 26, 2025

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Harvey

Alexandria, US

★★★★★ 5

Good stuff, but watch the temp

Model: NewSLS50_52

I used this in my single cab pickup truck (89 ford.) It only took half the box (10 sheets or 25 square feet) to do the floors, but I bought the big box because I plan to do the doors, back wall, and maybe the roof as well. One thing I learned is that the temperature matters when you’re doing the installation. It was around 55F when I started in the evening, and when it dipped down into the 40s the sheets would not stick to the metal, and were hard to compress with the roller. That’s why I ended up only doing the floors and not any vertical surfaces; i will have to wait for a nice hot day. The other thing is that the foil layer on top is razor sharp at the edges, definitely wear gloves! I didn’t notice until after but I have little papercuts all over my fingers. Aside from those things, the install was easy and straightforward. The sheets cut easily with scissors, and any goo that ends up on your hands or scissors can be cleaned up with acetone (nail polish remover), or lacquer thinner. I would use this stuff again.

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Reviewed in the United States on November 16, 2023

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Lyrah

Chelsea, US

★★★★★ 5

Very efficient!

Model: NewSLS50_52

Amazing the difference it makes on dumping the noise. Very easy to install. Pell and stick literally! Great!

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Reviewed in the United States on November 23, 2025