Wiseco RCS39040 Wiseco Black Anodized Tapered Ring Compressor Sleeve - 3.903in - 3.905in Bore

Ring Compressor Sleeve 3.903 in to 3.905 in Bore

Ring Compressor Sleeve- for 3.903-3.905

Wiseco ring compressor sleeves are forged in-house in the USA and are a precision solution to assist in your high-performance engine build.

Features and Benefits: Compresses the piston rings smoothly and evenly; Greatly reduces difficulty of installing high-performance oil rings; Hard-anodized and Teflon coated for low friction and prolonged wear resistance; Laser-marked with size indication; Sleeves have smooth radius that tapers down to the specific bore size