The 'RING AXIAL + OIL GROOVE' for the Citroen 11CV is an essential automotive component designed to enhance engine performance. Strategically placed, this ring ensures optimal engine lubrication by regulating the supply and distribution of oil. The design with an oil groove helps minimize friction between moving parts, leading to reduced wear and a longer engine lifespan. Specifically crafted for the Citroen 11CV, this part ensures compatibility and effectiveness, thus guaranteeing the reliability and efficiency of this classic car.