US SHIP ADLERSPEED Coilovers Lowering Kit w/18 Way Damping for Mazda RX7 86-91 (FC3S)

Adlerspeed A18 series street enhance is the basic street driving version. It is also Mono-tube design,and 18 clicks damping force adjustment,The purpose of A18 series design is to reduce the cost to obtain better market competitiveness. A18 version not only low cost but also high performance at the same time. It is the best choice for low-end market and new comer of modification, pursuing low posture, flexible control and comfort. Notice: Lowering coilover kit( not for OEM height or lift)   Application For:Mazda: RX-7 FC3S (1987-1991) Product Feature: 1.18 levels / steps / clicks extreme accuracy damping force Soft Hard adjustment 2.Mono-tube internal construction design   3.Spring rates: Front: 10kg/mm / Rear:8kg/mm    4.2-Way Independent Ride Height Adjustment,moveable lower bracket allows for separateadjustment of ride height and pre-load   5.Linear piston design provide both excellent track bene