BC Racing ER Series Coilovers for Evo 1/2/3 (B-17-ER) Select:Swift Spring Upgrade 210" Wall Bore Size: 93mm

210" Wall Bore Size: 93mm (+1mm) Rod Length: 5

• Hand built and precision TIG welded in the USA

Includes both extensions with mounting hardware

• Vented rotor construction

(6) Receptacles

BC Racing ER Series Coilovers for Evo 1/2/3 (B-17-ER) Select:Swift Spring Upgrade 210" Wall Bore Size: 93mmThe BC Racing ER Series coilover system for Evo 1 2 3 features large external reservoirs front and rear, independently adjustable rebound and compression, plus a mono tube twin piston design. Available with standard BC springs or upgrade to Swift. Ships with the recommended spring rates listed below. Vehicle Fitment: Evo 1 2 3 CE9A CD9A Part Numbers: B 17 ER Front Spring Rate: 7k Rear Spring Rate: 6k Recommended Use: Track, Street Shipping Times: Most