stock height 4600's are a big improvement as well. The valving is the same as 5100's, but for non-lifted vehicles. My youngest son just updated his old Inherited H2 with 4600's, that's how I found out about the valving - he called Bilstein! Also, his shocks have the zinc finish, which is a nice anti-corrosion upgrade.
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Germany
I've run 5100 Bilsteins on my 2010 JKU Rubicon and again on my 2020 Gladiator Rubicon. Nothing but praise. Cost effective and just an excellent, all around shock.
bilsteins have better road manners had them on my fj cruiser.
Bilstein 6112/5160 is fairly inexpensive and a popular replacement.
Seriously though, I have Bilsteins on both my Track Car and my Jeep, and love them.
Bilstein. Worth every penny.
Bilsteins are hands down the best. Well worth the cost.
bilsteins are the best. if I did it over again, I would use bilsteins but they were 3 times the cost
A little build up in a Bilstein is normal.
Extended strut in photo is missing a small spacer that goes on top of the piston before you add the first bushing perch, which basically just makes it the same as the standard strut on the left. I switched to the standards because I wanted to lose 1" of lift to bring me down to 2" of front lift. As you can see, there is nothing really "extended travel" about these. The reason for the added 1" of lift is because the perch is higher and adding more preload on the spring. After having these side by side, don't waste your time or money on the extended travel struts. Just get the standard struts, and get the appropriate spring for the weight and lift you want. Extended struts seemingly offer no benefit to down or up travel, and only make the ride harsher by compressing the spring even more.
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