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How-to: Timbren Bump Stops - PBR

121983 Views 262 Replies 78 Participants Last post by  Old Navy
It's hard to spend money on a no see Mod, but this one is well worth it in handling!

I bought it to increase towing stability as I tow a dozer at times and a boat a lot.

The handling was a gigantic BONUS! Hindsight I'd do it just for that!

PS: I tried AIR LIFT Spring kit, don't waste your money it limits Droop!
Timbren don't!

EDIT 05 of 2007 Well here is my best example of Timbrens in action, this is a part where Autozone Bumpstops won't hold up. But you can clearly see and hear the comment from bystanders who are surprised I did not bottom out, Daystar Spacers, factory Shocks with 35K miles on em and Timbren bumpstops. Click link and play.

.......... And people act like they have no use wheeling, I won't wheel without them.

What it is and what it does can be found here: Home - Timbren Industries Inc. Suspension Products
In short, for me, increased towing capability, much much better handling without.

Rear sway bar installed, and Cure for nose diving front end with winch and winch bumper. PLUS, if you haul things on a roof rack on top, you WILL notice more stability with this mod for sure!!!

Restored all handling characteristics that the 2.5 inch lift took away. F&R Totally!

Where purchased:
Vendor gets A+++ Good e mail contact, read notes on Internet order,
went out of way to make sure I got the right kit with spacers for rear.
Good ship notification and quick ship!

Kits cost $154.00 each. $309.00 for both FREE SHIP special.

Front Kit is Timbren part no NF-1004A (You must drill out hole to 1/2 in.)
Rear kit is a Jeep kit, JRC01 With a Spacer (Shown) Fits perfect!

Lets start with front, before install, really no problems. But after install a really noticed much more stable front end especially on corners and under heavy braking. I'd say this kit is a MUST if you install a Winch bumper that really does have a winch in it.

Here is a pic of Front old and new. (Parts)

Jack up vehicle, support, 1/2 in deep socket to remove old bumpstop.
You must then drill hole on lower Control Arm out to 1/2 in. with a drill.
Put washer on bolt, install in hole, add washer on top of LCA then Timbren Bump stop, tighten. 10 min Max, no need to remove wheel.

Before front, old stuff it almost looks like pure metal but it is rubber.

New installed on front. Notice the clearance now, any tip and Timbren takes over! This is taken with weight of vehicle on the suspension. It is
riding just as Timbren instructions say. Even can rest on LCA.

Rear old and new parts.

No need to remove wheels but makes it a lot easier.

Jack it up, Support, remove wheel. Remove old bumpstop with a 9/16 socket
Clean the area, holding Timbren in your hand, offset goes outboard (If you install it wrong, it will hit top of U bolts when compressed, it should fall between them.) Install bolts, snug them, now whack Timbren to rearmost position. Tighten. Check alignment from side and rear, install tire and check for proper clearances.

After rear from rear.

What's left over & what it took to do the front and rear install.

After a very rugged test drive (lots of fun) Panic stops, Curves, Incline walls, drop offs, parking lot tricks, pushing to the max! No noises, silent operation, and outstanding stability for a lifted vehicle!!!! I got my X back!

Thanks for looking. And thanks to Timbren for time on phone and for extra effort getting me the right kit 1st shot!
If you do the Mod, and I missed something, PM me and I will add.

UPDATE Thanks to B Slater who tried these, (Pictured Below) Autozone Bump stops for front. he said it's a go, he put them on, by looking at them he thought they would not work too stiff, but after an install and a ride, he's impressed, you might be also, It's a cheap try out at $10 and 20 Min to install, I'd imagine you can chop the tops off a bit, but Slater says they work as is! Old parts can be re installed if you don't like it or want more travel for a OR event.

EDIT 06 12 06
Ok I did some flex testing today. Took some pictures, I'll let them explain. But, I'll leave em on when I wheel, Since I sissy wheel. In My "S" Full view of position.

The Extended side.

What they do when they get stuffed.

Ok now you have all the info, you decide. I find it is a perfect solution for all around driving, towing, road, and off road, but not so off road you blow your difffs.

ADDED 10 06 I have over 20K on this MOD flawless would not do without it!

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Last weekend I took the front Timbrens off and cut them in half. The truck rides much better now that it has travel in the front again.
Yea i was wondering about this cus the bumpstops seem to be too big to put on the front. I only have rear timbrens and they work great no bottoming out and perfect for heavy load.
Yea I was wondering about this cus the bumpstops seem to be too big to put on the front. I only have rear timbrens and they work great no bottoming out and perfect for heavy load.
They make front and rear. Especially on the newer style, but I think we already touched base on that in a different thread.

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All (35) Photos placed into PB's Purgatory, have been Resurrected for this thread! :thumbup:
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