We have reviewed the main aluminum parts including the rack body based on the data cultivated with GRK4. We have also started selling it as an optional part. (R31S065) OP bearing for GRK4/5 steering rack unit is standard equipment. You can expect higher-dimensional front tracing ability and improved linear handling performance.
It will be released in three colors: black, red, and purple.
〇Applicable car models ・GRK5 (Standard specifications except for optional bearings) ・GRK4 ・GRKGS2EVO (Compatible with vehicles equipped with R31S060/R31S037)
