YOKOMO 32mm Variable Pitch Drift Spring 1.1 x 10.5 coils Blue (D-171BL) Unequal-length type that allows you to more detailed settings 4 Spring lineup. Yokomo introduced the new series of long length (32mm) spring for drifting category. This new springs has 2 different pitch series, that is, Variable pitch in 4 types and Regular pitch in 5 types, those will enable RC drifter to set up the spring in accordance with their original driving style in any surface condition. Spring length is longer than the standard kit spring, the D-064 aluminum spring retainer is recommended. Order softest to hardest: Blue Pink Yellow Green