These rear lower mounts will adapt your MAX Pro Coilovers or Competition coilovers with 1.5 thread pitch for use with Z32 rear knuckles. Or allows you to convert R32 and R33 Skyline GTS coilovers to GTR spec. Lightweight anodized aluminum. -NOTE: S/R-chassis Competition and Pro dampers prior to 2017 have different thread pitches where this mount attaches. Please verify your coilover model before purchasing the mounts. R33 and R34 MAX coilovers all use this 1.5 thread pitch damper.