DIY - BC Coilover Install 79-82 Prelude
DIY - BC Coilover Install from 80-83 Civic
42mm Inner / 3mm Thick 1-5/8" ID / 1-3/4" ID
Spring Rate 80-83 BC Coilovers - Front 5KG, Rear 3KG Race setup - Front 6KG, Rear 5KG
My home-made adapters are for sale on ebay, for those interested in adapting the 80-83 BC Coilovers to their SN. https://www.ebay.com/itm/79-82-Honda-Prelude-SN-G1-MK1-Coilover-Sleeve-Adapters-BC-Coilovers/174234074014?hash=item289128fb9e:g:H68AAOSwLIpef8vL