Roll Center / Extended Ball Joints - 01-05 Civic / 02-04 RSXApplications: 2001 2005 Honda Civic (EM EP ES) 2002 2004 Acura RSX Note: 10mm taller than stock Does NOT fit RSX Type R Sold in pairs Roll center adjusters helps to maintain proper steering alignment and suspension geometry on lowered cars. If you have a lowered car these are a must have to keep it handling its best. Old worn and tired bushing will drastically reduce the feel and handling of your car. Replacing worn bushings and suspension components