UF10177 Out of Frame Engine Kit---.030 Pistons---175 Gas---1/1975 thru 12/1982

Includes: Pistons, Pins, Rings, Complete Gasket Set with Seals, Rod Bearings, Main Bearings
Fits: 230A, 2610, 231, 2600, 3600, 335, 420, 340A, 445, 3610, 3910
Bore: 4.2007" Diameter
Stroke: 4.2"
Compression Height: 2.735" (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