Rancho RS9000 Shock Specifications
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| http://www.4x4wire.com/jeep/tech/susp/shockspecs/
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Short Cuts |
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By: Terry L. Howe - 2/2000
Trying to find the right show for your modified Jeep is not easy. These
Rancho RS900 shock specs will help make the shock selection process a true
science. The first table is a table of RS9000 shock specifications with
extended length and collapsed length. The upper and lower mount codes are
explained in a table below.
When you pick shocks for you vehicle, the shock should not limit compression.
If the shock limits compression, eventually, it will break or the shock mount
will break. Bump stops should be used to limit up travel. Pick the longest
shock possible that has a collapsed length that is less than the length of
the shock at full compression.
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| Model | Extended
Length | Collapsed
Length | Upper
Mount | Lower
Mount |
| RS9001 | 21.43 | 13.20 | ES31 | ES24 |
| RS9005 | 29.30 | 17.22 | ES27 | EB4 |
| RS9006 | 18.31 | 11.66 | EB1 | EB1 |
| RS9008 | 22.36 | 13.68 | EB1 | EB1 |
| RS9009 | 26.78 | 15.67 | S1 | ES25 |
| RS9010 | 26.69 | 15.84 | EB1 | EB1 |
| RS9012 | 32.91 | 18.94 | EB1 | EB1 |
| RS9014 | 25.21 | 14.67 | S1 | S1 |
| RS9017 | 25.79 | 15.13 | S1 | ES25 |
| RS9019 | 14.80 | 9.67 | S1 | EB1 |
| RS9112 | 26.65 | 15.94 | EB1 | EB1 |
| RS9113 | 20.65 | 12.82 | EB1 | EB1 |
| RS9114 | 24.92 | 15.10 | EB4 | EB4 |
| RS9115 | 21.24 | 12.92 | S1 | EB1 |
| RS9116 | 24.40 | 14.79 | EB1 | EB1 |
| RS9117 | 19.30 | 11.92 | S1 | EB1 |
| RS9118 | 22.80 | 13.94 | EB1 | EB1 |
| RS9119 | 18.39 | 11.68 | EB1 | EB1 |
| RS9120 | 14.38 | 9.70 | EB1 | EB1 |
| RS9123 | 18.39 | 11.68 | EB1 | EB1 |
| RS9124 | 24.40 | 14.79 | BP8 | EB1 |
| RS9125 | 22.83 | 13.97 | EB1 | EB1 |
| RS9126 | 26.82 | 15.97 | EB1 | EB1 |
| RS9128 | 21.09 | 12.77 | S1 | BP7 |
| RS9129 | 20.49 | 12.73 | BP18 | EB1 |
| RS9136 | 17.65 | 11.10 | S1 | EB1 |
| RS9138 | 21.20 | 12.88 | S1 | EB1 |
| RS9143 | 25.67 | 15.47 | EB2 | EB2 |
| RS9144 | 22.55 | 14.00 | EB2 | EB2 |
| RS9145 | 13.99 | 9.31 | S1 | ES113 |
| RS9151 | 19.17 | 12.07 | ES31 | ES24 |
| RS9152 | 18.39 | 11.68 | ES76 | ES82 |
| RS9155 | 18.39 | 11.68 | EB1 | EB1 |
| RS9156 | 12.24 | 8.40 | S1 | BP8 |
| RS9157 | 21.91 | 13.34 | EB2 | S1 |
| RS9158 | 21.35 | 13.03 | S1 | EB2 |
| RS9159 | 21.66 | 12.79 | S2 | S2 |
| RS9165 | 22.87 | 13.85 | EB1 | EB1 |
| RS9166 | 14.34 | 9.54 | S1 | BP7 |
| RS9168 | 25.90 | 15.24 | S1 | ES25 |
| RS9179 | 22.95 | 13.95 | S1 | EB1 |
| RS9180 | 21.76 | 13.53 | EB2 | EB2 |
| RS9185 | 26.82 | 15.97 | BP8 | EB1 |
| RS9186 | 21.02 | 12.79 | S20 | EB1 |
| RS9187 | 21.17 | 12.94 | S1 | EB2 |
| RS9188 | 12.24 | 8.40 | S1 | EB1 |
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"ES" Mounting Code
Shocks with an ES mounting code have an eyering and bushing with a steel
sleeve. The steel sleeve will determine the length of the bolt needed to
pass through the mount and the diameter will be the size of the bolt.
Unless otherwise specified, the dimentions are in inches.
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| Code | Diameter | Length |
| ES2 | 10MM | 1.42 |
| ES10 | 7/16 | 1.38 |
| ES17 | 12MM | 1.25 |
| ES18 | 12MM | 1.65 |
| ES23 | 1/2 | 1.31 |
| ES24 | 1/2 | 1.38 |
| ES25 | 1/2 | 1.50 |
| ES27 | 1/2 | 1.62 |
| ES31 | 1/2 | 2.25 |
| ES34 | 9/16 | 1.66 |
| ES36 | 3/4 | 1.75 |
| ES53 | 10MM | 1.38 |
| ES55 | 12MM | 1.56 |
| ES65 | 12MM | 1.38 |
| ES76 | 12MM | 2.44 |
| ES82 | 1/2 | 1.67 |
| ES84 | 10MM | 1.62 |
| ES91 | 1/2 | 2.10 |
| ES110 | 16MM | 1.61 |
| ES113 | 16MM | 1.49 |
| ES124 | 16MM | 2.28 |
| ES153 | 7/16 | 1.50 |
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"S" Mounting Code
Shocks with an S mounting code have stud mount. Jeep Wranglers, for instance,
use a shock with a stud on top and an eyering on the bottom. In the table,
the A column is the total length of the stud compressed, the B column is the
length of the unthreaded portion of the stud, the C column is the diameter of
the unthreaded portion of the stud, and the D column is the thread size.
All dimentions are in inches except the thread size which is in inches with
the pitch.
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| Code | A | B | C | D |
| S1 | 2.37 | 0.88 | 3/8 | 3/8-24 |
| S2 | 2.18 | 1.03 | 3/8 | 3/8-24 |
| S6 | 2.59 | 1.48 | 7/16 | 3/8-24 |
| S20 | 2.68 | 1.38 | 3/8 | 3/8-24 |
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"EB" Mounting Code
Shocks with an ES mounting code have an eyering and bushing. In the table,
the A column is the inside diameter of the bushing, the B column is the width
of the bushing, and the C column is the compressed width of the bushing.
All dimentions are in inches.
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| Code | A | B | C |
| EB1 | 5/8 | 1.44 | 1.25 |
| EB2 | 3/4 | 1.62 | |
| EB4 | 11/16 | 1.72 | 1.55 |
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"BP" Mounting Code
Shocks with an BP mounting code have an eyering and bushing with a bar pin
through the bushing. In the table, the A column is the length of the bar pin,
the B column is the length on center of the bar pin mount bolts or studs,
and the C column is diameter of the bar pin mount bolts or studs.
All dimentions are in inches.
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| Code | A | B | C |
| BP7 | 3.13 | 2.50 | 0.35 |
| BP8 | 3.50 | 2.87 | 0.35 |
| BP18 | 3.78 | 3.14 | 0.39 |
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