BC Racing ER-Series Coilovers (B-20-ER) Stillen_Small_Parts With a lifetime warranty and

With a lifetime warranty and 60-Day Ride Satisfaction Guarantee - not to mention the Air Lift reputation for gre

OE-Style exhaust hangers are used throughout that utilize the OE hanger bushing that came with your Focus RS

EXEDY cerametallic clutches are designed to handle the abuse of high power modified engines

The entire bumper bar is covered in a durable black powdercoat for good looks and longevity

Housing and Ram Air Scoop made from Roto-Molded XLPE: The EVO9300C system features our 1-piece box design that incorporates our patented Twist Lock air filter attachment technology

BC Racing ER-Series Coilovers (B-20-ER) Stillen_Small_Parts With a lifetime warranty andOur newest and most advanced model yet is the ER series coilover. It features large external reservoirs front and rear, separate rebound and compression adjustment and a twin piston design. The external reservoirs hold much more oil than the conventional coilovers, allowing the coilover to operate for a much longer period of time before overheating. The external reservoirs also house the secondary piston, which allows for the adjustment of