Riaction TPU Coilovers for 2012-2013 Honda Civic Si (FB) under-braces SV (D40) are engineered to

SV (D40) are engineered to be up to the task with top spec

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2 inches | 30 mm Spring Type Progressive Ride-Height Adjustable No Quantity Set of 4 Part Note 1 Sport suspension 1

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Riaction TPU Coilovers for 2012-2013 Honda Civic Si (FB) under-braces SV (D40) are engineered toThe Riaction TPU Coilovers for the 2012 2013 Honda Civic Si FB bring Riaction's digressive damper technology to the Honda Civic Si, engineered for drivers who prioritize high speed control, flatter cornering, and sharper response than a linear coilover can deliver. Each TPU set is built to order so valving and spring selection are matched to your exact Honda Civic Si application, with the same 32 level damping adjustment and full length ride height