For RAM specification cars 12φ street use (circuit sports driving level) For mounting on RAMBOX drain Outside diameter of valve mounting part 12φ Universal
For RAM specification cars 9φ street use (circuit sports driving level) For mounting on RAMBOX drain Outside diameter of valve mounting part 9φ Universal
For RAM specification cars 14φ street use (circuit sports driving level) For mounting on RAMBOX drain Outside diameter of valve mounting part 14φ Universal