IntroductionMXR-B3 series(also called MXR-SLC) based on MXR-B2 series(also called MXR-SNA) coilovers, which is also height adjustable but adds damping adjustment ability by a knob the top of the shaft. They are also made for street use, but the 24 level rebound damping control allows you the ability to perfectly dial in your coilover setup. You will experience better ride quality in all road conditions.ApplicationCompatible for TOYOTAã SUPRAã 1986.01-1990.08ã JPNã MA70ã GT TURBO, GT TWIN TURBO S compatible for TOYOTAã SUPRAã 1986.01-1993.04ã JPNã GA70ã G, GT, GT TWIN TURBO compatible for TOYOTAã SUPRAã 1987-1992ã USAã MA70L compatible for TOYOTAã SUPRAã 1990.08-1993.04ã JPN JZA70ã GT, TWIN TURBO, TWIN TURBO R compatible for TOYOTAã SOARERã 1986.01-1991.05ã JPNã GZ20ã GT TWIN TURBO, TWIN TURBO L, 2.0VX compatible for TOYOTAã SOARERã 1986.01-1991.05ã JPNã MZ20ã GT, GT LIMITEDSpecificationTop mounts: rubber front and rear Damping: 24 ways damping adjustable Spring rate: front 14kg/mm (784lbs/in) rear: 12 kg/mm (672