BC Racing ER-Series Coilovers (ZB-03-ER) _25217 the rear exhaust alone offers

the rear exhaust alone offers a subtle upgrade while maintaining OEM valve functionality

rising to the same COF range as cerametallic friction material when warmed properly

is a function of not only the mass of an object

8 1978 Pontiac Phoenix Engine: 3

BC Racing ER-Series Coilovers (ZB-03-ER) _25217 the rear exhaust alone offersOur 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