Our patented Radius Arms feature a full tubular structure strengthened by dimple die side plates, with an adjustable alignment cam at the axle to allow caster adjustment. This system also includes replacement front coil springs, and the choice of Fabtech’s Performance, Stealth, or Dirt Logic Shocks. You can also choose to upgrade the front end with our coilover conversion and massive Dirt Logic 4.0 shocks.
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6″ Radius Arm System w/ Performance Shocks – K2156
PERFORMANCE SHOCKS
2011-13 Ford F450/F550 4WD [10 Lug Chassis Cab]
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6″ Radius Arm System w/ Stealth Shocks – K2156M
STEALTH SHOCKS
2011-13 Ford F450/F550 4WD [10 Lug Chassis Cab]
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6″ Radius Arm System w/ Dirt Logic Shocks – K2156DL
DIRT LOGIC 2.25 SHOCKS
2011-13 Ford F450/F550 4WD [10 Lug Chassis Cab]
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6″ Radius Arm System w/ Front Dirt Logic 4.0 Coilovers & Rear Dirt Logic Shocks – K2158DL
DIRT LOGIC 4.0 COILOVERS
2011-13 Ford F450/F550 4WD [10 Lug Chassis Cab]
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