Designed to fit the MRS / MR2 when converting to a K20 or K24 engine. These are produced by MAP solely for your K20 or K24 swap. They will require a Honda/Acura intermediate shaft (RSX or Civic SI only) They are rated for use up to 550 hp and 350 ft/tq. This design on the version 2 was strengthened and the driver side axles was shortened by 1 inch when compared to the version 1