Wiseco RCK400407 Wiseco 4.000in Bore to 4.070in Bore Piston Ring Compressor Sleeve

Piston Ring Compressor Kit - 4.000 - 4.070 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.

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