Piston Ring Set 2-CylinderItem #: JDS2130-J
Specifications: 4-11/16" bore, (4) 0.187" compression rings, (1) 0.313 oil ring Final Application: Fits: Some B series SN: 201000 & up, 50 2-cyl. Replacement Number: Notes: Measure old rings before ordering. Do not order by tractor model only. Due to the many different piston manufacturers, there can be as many as 8 different ring set available for one particular engine. To ensure you order the correct rings, we will need the following information: 1.) bore size, 2.) thickness of each ring, 3.) how many of each ring thickness per piston. Rings can not be returned if opened. Call or email for price and availability of other sizes.