This Wiseco 87.5mm ring compressor sleeve is hard-anodized and Teflon-coated to reduce friction and extend service life during piston installation. The sleeve’s smooth tapered radius eases compression of oil rings and helps avoid ring damage, while laser size marking simplifies selection. It’s a precision tool intended to assist high-performance rebuilds with consistent, low-friction installation.
Wiseco 87.5mm Black Anodized Piston Ring Compressor Sleeve