Tractors: all models (1939-1964)

7/8" hex spark plug

Crustbuster (Great Plains 822003C

non-resistor

JCB Backhoe: 210

Maxiforce Overhaul Kit, Standard Pistons, .020" Main Bearings, .020" Rod Bearings, 30° Valve Seats, with Semi Finished Liners, 30 Valve, Turbo Or Naturally Aspirated, 3054 for Caterpillar OK504UF BC203602 Tractors: all models (1939-1964)Aftermarket Engine Overhaul Kit. Direct replacement for OEM OK504UF 30 20 20. Please verify fitment against your equipment's serial and engine casting numbers before ordering. Cross references are provided as a guide; the customer is responsible for confirming compatibility.