2x Coil Springs (Pair Set) Rear ACS1117 Apec. Part Number ACS1117. APEC ACS1117. FORD 1142853, 1146713, 1211792, 1477383, 2S615560AD, 2S615560AE, 2S615B692AD, 2S615B692AE. When installing an Apec Coil Spring, replacing the OE parts in axle pairs prevents uneven wear and reduces the likelihood of another premature spring failure.
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