F.O.A – 2.5 Coil Over Shocks w/ Remote Reservoir


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The F-O-A 2.5” Coil Over Shock with Remote Reservoir was the inspiration for their entire company. Their goal was to build a quality 2.5” Coil Over Shock that could be priced for the masses. Starting at just over $200 these 2.5” ID bodied shocks cost about as much as the competitions 2.0” shocks and once you hold one of our shocks in your hands, you’ll know we hit the mark!

We start with a 2.5” DOM SSI steel tube and machine in a fine ACME thread for quick and accurate spring preload adjustments. We then add billet aluminum top caps and lower rod ends with replaceable COM-9 spherical heim bearings. Our re-buildable billet seal head is set up with Buna-N seals and can withstand temperatures up to 250 degrees. A Viton seal upgrade that can handle temps up to 400 degrees for you hard chargers is also available as an upgrade. The hardened and chrome plated 7/8” shaft ensures you that your shock is made to withstand the harshest abuse you can throw at it. All shocks are equipped with a re-valuable 6061 billet aluminum shock piston that makes tailoring your F-O-A Shocks a snap. The large F-O-A Remote Reservoir uses a dual O-ring IFP (internal floating piston) to keep the oil and air separated; this ensures more consistent performance and aids in lowering harsh shock temperatures.

Our smaller coil over shocks (6-8″) can be set up with a single or dual rate coil springs. F-O-A Shocks (10-20”) will all require the Dual Rate Hardware a $25 upgrade option that gets you the spring divider and a crossover adjustment nut (dual rate stop).

The F-O-A 2.5” Coil Over Shocks w/ Remote Reservoir are available in lengths from 6” to 20” and are compatible with any 3.0” spring.


Shock Length, Eye to Eye Collapsed Extended
6″ 14.5″ 20.5″
8″ 16.5″ 24.5″
10″ 18.5″ 28.5″
12″ 20.5″ 32.5″
14″ 22.5″ 36.5″
16″ 24.5″ 40.5″
18″ 26.5″ 44.5″
20″ 28.5″ 48.5″



Part Size Part #
8″ 25CORR08B
10″ 25CSRR10B
12″ 25CSRR12B
14″ 25CORR14B
16″ 25CSRR16B
18″ 25CORR18B
20″ 25CORR20B


All shocks/bumpstops ship without nitrogen charge and will need to be charged before usage.

*****PLEASE NOTE— These shocks will require 3.0″ ID Springs, purchased separately*****

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