Compressor is designed to accommodate piston rings within a diameter range of 90mm to 175mm, making it suitable for a wide range of engine sizes and types., Yato Piston Ring Compressors are typically constructed from high-quality materials to ensure durability and longevity, even under the rigors of engine work., Besides piston ring installation, this tool can also be used for other tasks requiring controlled compression, such as assembling valve springs or other engine components.