Tru-Power Engine Kit. 4-Cylinder Gas, 119.7 CID. 3-3/16" Standard Bore. .090" Thick Wall Sleeve, 9/16" Gear Width. Complete Engine Kit contains .090" sleeves, 3-ring pistons, rings, pins & retainers, pin bushings, complete gasket set, intake & exhaust valves, springs, spring retainers, guides, guide retainers & seals, valve keys, upper & lower radiator hose, air cleaner hose, oil pump kit, fan belt, points & condenser, spark plugs, oil filter, & basic carburetor kit and .020 rod and main bearings. For 2N, 9N, 8N Tractors.