BC Racing HM-Series Coilovers (I-18-HM) 71015 HY3-HDR4 kit features ACT's most

HY3-HDR4 kit features ACT's most popular Heavy Duty pressure plate

45 Degree tapered seat to 1/2-1/16in NPT male

stock magnet hold down

Hawk Performance HB542N

BC Racing HM-Series Coilovers (I-18-HM) 71015 HY3-HDR4 kit features ACT's mostBC Racing's HM Series models include all of the great features from the HR Series with the addition of 2 way damping adjustment. Each HM coilover system comes with inverted mono tube dampers with independently adjustable compression and rebound. By using an inverted coilover system BC have moved the vital damper fluid away from detrimental heat sources to avoid overheating the fluid and causing damper fatigue under extreme conditions. the inverted