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The Wiseco 66.0 mm ring compressor sleeve is a precision tool that helps compress piston rings for high-performance engine assembly. Forged in the USA and intended for rebuilds, it smooths ring installation and protects ring gaps during piston seating. Hard-anodized with a Teflon coating, the sleeve tapers to the bore size for even compression, reduces difficulty installing oil rings, and is laser-marked for quick size identification.
Wiseco 66mm Bore Ring Compressor Sleeve
