Description

When your engine demands reliability under extreme conditions, OEM-spec pistons are non-negotiable. The PROX Piston Kit 01.6521.A delivers precision-engineered replacement pistons manufactured to exacting tolerances, ensuring consistent compression, reduced blowby, and stable ring sealing across your entire rev range. This complete kit eliminates the guesswork of sourcing matching components separately—everything you need for a professional rebuild arrives together.