2.125" Coil Over, Hose Reservoir

2.125" Coil Over, Hose Reservoir in strokes ranging from 6" to 18"
SKU: 213-COR
Manufacturer part number: 213-COR
Manufacturer: ADS Shocks

Length of Shock Stroke


2.125" Coil Over, Hose Reservoir in strokes ranging from 6" to 18"

On the road or on the trail, ADS coil over shocks are built to last a lifetime.

Coil over, which is short for coil spring over shock, is simply a shock with a coil spring incorporated over the body. ADS coil over shocks are built using the some of the strongest materials available. For example, all ADS coil over's use a 7075 aluminum shock piston, which is more than twice as strong as 6061, to resist cracking and warping from the extreme heat generated by off road use. On ADS' 3" and larger diameter coil over’s the shaft material is upgraded to induction hardened shafting with a hard chrome finish due to the extreme demands placed upon larger diameter shocks.

A shock absorber works by converting kinetic energy into heat which is absorbed, and eventually dissipated by the shock fluid. In on road applications the shock shaft moves very little and as a result the heat created by the movement is minimal. In off road applications the shaft moves a greater distance and often at a greater rate. In these conditions the shock is generating a lot of kinetic energy and therefore a lot of heat. The strength of the material used to build the shock will dictate the longevity of the shock. By using the strongest materials and the finest fluids, ADS shocks are designed to serve customers for a very long time.

Here are some of the features that set ADS coil over shocks apart from performance series shocks:

Feature                            Benefit


Precision honed seamless steel, zinc plated, ceramic coated


Billet 6061 aluminum parts with an anodize black finish


Large 7/8" hard chromed shafting


Race-inspired 7075 billet aluminum piston with adjustable bleed control

Wear band

Teflon coated bronze with overlapping ends for cooler operating temperatures while maintaining positive seal


Tumble deburred and precision flat to ensure precise flow adjustment

Shaft Seals

Disogrin rod seals to ensure positive leak free assurance


High-Performance 10wt hydraulic shock oil

External thread

Standard pitch thread for precise thread engagement

Spring adjuster nut

Billet alloy with holes and Allen pinch bolt for ease of adjustment

Jam nuts

Dual rate adjustment for secondary spring engagement

Coil divider

Composite design offers smooth and precise spring alignment with the longer 2" extended neck


Hard anodized Air Cylinder Quality aluminum reservoirs eliminates chance of corrosion

Reservoir end caps

Billet threaded caps to eliminate dirt and moisture contamination


Protective billet alloy cap to eliminate damage or leakage


High Quality large Tough Cover hose with the o-ring seal boss on both ends


Large replaceable Heavy Duty Bearings, Precision Series, Alloy Steel, Teflon Lined, Made in the U.S.A


Heim spacers made from billet stainless steel and feature captive design for ease of installation

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