O.S. Engines Piston Ring
|91FX||91RZ-H|| 91RZ-H DH
|| 91SZ-H PH
NOTE: This part may be compatible with other O.S. engines. Please check your owner's manual and cross reference the part number to verify that this is the correct part for your engine.
This product was added to our catalog on Wednesday, June 17, 2009.