BC Racing ER-Series Coilovers (A-35-ER) 4006 Tip Size(in):5

Tip Size(in):5

6 hub hole Description_ASM Front Greenstuff 7000 Street sport FMSI D784 2004 GMC Sierra 1500 1/2 Ton Extended Cab HD 4

preassembled w/ anaerobic sealant

or shade changes

BC Racing ER-Series Coilovers (A-35-ER) 4006 Tip Size(in):5Our 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