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The Wiseco ring compressor sleeve (103.39 mm) is a hard‑anodized, Teflon-coated installer sleeve that helps compress piston rings smoothly for high‑performance engine assembly. Laser-marked with its bore size, the sleeve reduces friction during ring installation, features a tapered radius for reliable guidance, and is forged in the USA to assist builders working with tight oil-ring tolerances.
Wiseco 103.39mm Black Anodized Ring Compressor Sleeve
