Wiseco RCS38000 Ring Compressor Sleeve 3.800" Bore

Ring Compressor Sleeve - 3.800 in. bore Wiseco ring compressor sleeves are forged in-house in the USA and are a precision solution to assist in your high-performance engine build. Hard-anodized and Teflon coated for low friction and prolonged wear resistance Sleeves have smooth radius that tapers down to the specific bore size Compresses the piston rings smoothly and evenly Greatly reduces difficulty of installing high-performance oil rings Laser-marked with size indication