In Frame Engine Overhaul Kit

In Frame Engine Overhaul Kit David Brown In-Frame Engine Overhaul Kit. AD3/49A. 3 Cyl. Cyl. Sleeve Fire Dam. 5.189” / 5.194” O.D.. Std Bore 4-5/8”, 1.7995” Piston Pin, Firewall 5.189/5.194”. Contains: Piston, Piston Ring, Connecting Rod Bearing, Upper Gasket Set, Lower Gasket Set without seals. Fits models: 770 (Selectamatic Diesel). 3 CYL, 4 RING PISTON BORE: 3.939"