Piston Ring Std. - Sparex Part S.56850Piston Ring Std. Sparex Part No. S. 56850 Enhance the performance of your machinery with the high quality Piston Ring Std. from Sparex. Designed for durability and efficiency, this piston ring set is an essential component for maintaining optimal engine function. Product Specifications Alternative to 4956850 Brand Sparex Number of Rings 4 Ring Type Top Ring: CP1 Chrome Plated Parallel Faced (2. 35mm) 2nd Ring CP3 Chrome Plated Parallel Faced