Nissan Micra K12 Eibach Lowering SpringsSPORTLINE Sport Performance Springs Extreme Performance Meets Extreme Style Race Car Like Handling Lower than our Pro Kit. Progressive Spring Design for Excellent Ride Quality Part of the Eibach B12 Sportline Eibach Sportline is the extreme performance spring set created for the extreme enthusiast. The one who craves a racecar attitude for maximum street performance? with the lowest possible drop, but with the exceptional ride quality you expect from