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Mahle Fire Power plain piston ring set, PC479, standard tension for 4.125 in pistons. This plain ring set supplies the correct ring size and tension for engines using the PC479 specification, restoring piston sealing and compression control during an overhaul. Use it when replacing rings to match factory dimensions for 4.125 inch bore applications.
Mahle Rings Fire Power PC479 Std Tension 4.125in Plain Ring Set
