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shocks-and-struts

Bilstein AK2290 - B6 4600 Rear

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This part fits

  1. 1995 Ford F-150 Lightning
  2. 1994 Ford F-150 Lightning
  3. 1993 Ford F-150 Lightning
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About this product

Part #: AK2290

Bilstein B6 4600 shock absorbers are designed as a direct fit upgrade to OE shock absorbers on stock height light trucks and SUVs. These shock absorbers feature a monotube design which provides consistent fade free performance. B6 4600 shock absorbers utilize a unique, velocity sensitive, digressive piston which reacts to changing road conditions. All B6 4600 shock absorbers are tuned for each specific application to ensure optimal performance is achieved. B6 4600 shock absorbers offer a significant improvement in ride quality, handling, and comfort.

More Details

Boot IncludedBlue Straight
FinishYellow Paint
Internal DesignMonotube
Lower Mount TypeEye 12.1mm
ReservoirNo
SeriesB6 4600
TitleBilstein Shock Absorbers
Upper Mount TypeEye 16mm
Additional Documents
  1. Installation Instructionspdf
  2. Material Safety Data Sheetpdf
  3. Warrantypdf

See what our community says about bilstein products

product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Wanted a DCC compatible coilover kit. It was either this or the KW V3 DDCs and pictures of shattered springs (KWs) scared me.
What were you trying to accomplish by adding this product?
To break my spine clearly. *ahem*, better handling, adjustable ride height, DCC functionality retention.
Was it easy install? Any installation tips that will help others?
Hells no. These struts are powder coated instead of nickel plated like they're supposed to be. The result of this means that they have about a few thousandths over the OEM strut. What this means is that when you spread the knuckle with the spreader bit, it won't be enough to slide the struts in. You'll need to shim the spreader nut with something to get the required clearance.
Once you’ve had a chance to use the product, did it meet your expectations?
Yes and no, DCC definitely works still and the handling characteristics are definitely much better at the track. However, in combination with the 034 camber plate, the springs rub on the inside of the wheel well ever so slightly because the springs go from 90mm to 115mm ID back down to 70mm for the perch. It's insane. Also Bilstein was all like "we only designed them for the OEM mount, so fuck off". Well, fuck you Bilstein. Fuck you very much.
Any additional comments?
Anybody reading this should know that there is a workaround, but it'll cost you a bit of time, money, or both. The Tein springs that I've added in this build are to correct this problem because they are tapered from 90mm down to 70mm and they have spring rates from 3kg/mm all the way to 20kg/mm.
View on James's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Some great recommendations online
Is this your first time buying from this brand? Did you consider other brands?
First time buying from Bilstein and I considered lowering springs
Was it easy to install? Any installation tips that will help others?
Installed my self. Just be careful when removing and re fitting the anti-roll bar drop links. Very easy to round off the 5mm Allen bolt. I’d recommend replacing anyways along with the coilovers. Also if the rear suspension is set on a low setting the bump stops will need to be removed or cut.
View on Alex's build
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Due to finding a good deal on this suspension along with great reviews online made me purchase this suspension.
Is this your first time buying from this brand? Did you consider other brands?
Yes, this is my first time owning bilstien suspension. Before this purchase I was looking to buy coils but was undecided on which ones.
Was it easy to install? Any installation tips that will help others?
Super easy to install. Use penetrant on rusty bolts before cracking them.
Once you've had a chance to use the product, did it meet your expectations?
This product exceeded my expectations as it keeps a nice smooth ride quality but limits body roll and sharpens steering inputs.
View on Dominic's build
Greg Alvey

164

Greg Alvey
2003 Audi A4
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Factory replacement price and complete kit for all corners
Is this your first time buying from this brand? Did you consider other brands?
No not my first time. And I'll did not consider other brands as I was looking to go back to factory
View on Greg's build
Adam Hoover

1.4k

Adam Hoover
2005 Audi S4
product page reviews icon 0product page reviews icon 1product page reviews icon 2product page reviews icon 3product page reviews icon 4
What made you choose this particular product?
Bilstein offers the best coilover for performance driving for the price
What were you trying to accomplish by adding this product?
Better handling
Was it easy install? Any installation tips that will help others?
Did it myself, but most should have a professional install
Once you’ve had a chance to use the product, did it meet your expectations?
Worked very well on track
View on Adam's build
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About Bilstein

For more than 50 years, BILSTEIN has been developing successful dampers used in motor racing. The dampers have already contributed to numerous title wins from Niki Lauda and Alain Prost in the Formula One, victories in the 24 h race on the Nürburgring or championship titles in the sports-car mastery. The BILSTEIN brand has been an integral part of the motor racing world.

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