UF10243 Out of Frame Engine Kit---.040 Pistons---183 Diesel---1/1975 thru 5/1985

Includes: Pistons, Pins, Rings, Complete Gasket Set with Seals, Rod Bearings, Main Bearings
Fits: (420 10/1975 thru 8/1978), (445 1/1978 thru 5/1985), (4100 1/1975 thru 7/1981)
Bore: 4.2007" Diameter
Stroke: 4.4"
Compression Height: 2.663" (Compression Height is measured center of wrist pin to top of piston)
Please provide bearing sizes-----------------------------------------------------------------------------------------------------------------------------
THESE ENGINES ARE NONSLEEVED, BUT IF YOU DECIDE TO BORE AND SLEEVE: USE PART NUMBER UF12170 TO ORDER A STANDARD BORE SLEEVE