Check the listing for details. Hydraulic Log Splitter Cylinder Rebuild Seal Kit for 5.0"bore X 2.0" Rod Cylinde. Condition: New. Listed at 13.99 USD. Item specifics:Part Type: cylinder rebuild seal kitSeal Size: 5.0"Bore x 2.0" Material: Rubber Plastic Please read below carefully: This kit might not fit your cylinder. The seal kit is used to rebuilt Speeco design or compatible other brand cylinders such as Husky, Split Master, Oregon, Dirty Hands tool and after marker cylinders oversea made with same Speeco design (but might be not good for your 20 years or older design)To know whether it fits your cylinder, one good way is to disassemble and measure your cylinder to compare with each item specification. Double check each seal groove is good for our part sitting in.1. Cylinder tube Bore (I.D.) 5" x rod (O.D) 2". Please note some cylinder rod head OD size is not rod size.2. Wear rings.Piston wear ring : 127 mm (OD 5") x 120.65mm (ID 4.75”) x 9.5mm (0.375" wide), NylonRod wear ring : 50.8mm (ID 2") x 57.15mm (OD 2.25”) x 9.5mm (0.375" wide) Nylon3. Piston seals1 square ring and 1 O-ring. Piston Square ring: D127 mm x117mm x 3.28mm; O-ring (installed under the square ring): 115 mm x 2.65 mm . CPU + NBR4. Rod O-ring : 50.8mm x 63.5mm x 5mm, CPU. There is O-ring inside.5. Rod dust ring : 50.8mm x 60.3mm 5.5mm /7.3mm, TPUBelow is 5" bore x 2" rod cylinder Specification that OEM made by this seal kit:Retracted (center to center between rod mountain hole and clevis hole: 32.4”Extended (center to center same as above): 56.4”Stroke: 24±0.05”Dimension from center of clevis hole to back face of cylinder: 2.95”Dimension from center of rod end hole to front face of rod: 1.06”Dimension from center of rod end hole to front face of cylinder: 1.18”Ports: 1/2” NPTDimension from port to port: 25.4”Rod: 2.0" rodRod end mountain hole: 0.55”Clevis Mountain hole: 1.16”Dimension between mountain clevis to clevis: 0.87”