Tru Power Engine Kit. 4-Cylinder Continental Gas. 3-3/8 inch Standard Bore. Engine Overhaul Kit. Contains sleeves & sleeve seals, pistons & rings, pins & retainers, pin bushings, complete gasket set, crankshaft seals, intake valves & seals, exhaust valves, valve retainers, springs, guides.standard rod bearings and main bearings. For 202 Series, 204 Series, F40 Series, MF135 Series, MF35 Series, MF50 Series, MH50 Series, TO35 Series. Contains: 4-1017753M91 rod brg, 1-1750216M92 rear crank seal, 4-760916M1 pin bushing, 1-830689M91 OH gasket set, 1-837155M91 main brg set std., 4-SAT105 MF cyl slv set, 1-VOKM129 MF cyl head OH kit.