CP Ring Set 1.0mm Top - 1.2mm Second - 2.8mm Oil - 3.937in Bore

This set includes the top compression ring, second compression ring, and oil control ring for a piston with a 3.937-inch bore. These rings are crucial for sealing the combustion chamber, controlling oil consumption, and transferring heat from the piston to the cylinder wall. The specific dimensions are 1.0mm for the top ring, 1.2mm for the second ring, and 2.8mm for the oil ring.

CP Pistons is known for well-built engine components. This ring set is designed to fit pistons with a 3.937-inch bore, ensuring a proper seal when installed correctly. Proper ring seal is essential for engine performance and longevity, helping to maintain compression and prevent excessive oil from entering the combustion chamber.