ENGINE REBUILD KIT FITS OPPOSED TWIN CYLINDER BRIGGS & STRATTON 16hp-19.5hp, COMES WITH A COMPLETE GASKET SET WITH INTAKE VALVE SEALS [2] CRANKSHAFT SEALS, FOR VERTICAL OR HORIZONTAL OPPOSED BRIGGS AND STRATTON ENGINES.SHIPS FROM USATWIN OPPOSED CYLINDER MODELS THAT START WITH EITHER 40 OR 42 in the model number, 400400, 400700, 401400, 401700, 402700, 404700, 402400 & 422700
STANDARD PISTONS WITH CHROME RINGS FOR BETTER OIL CONTROL, COMPLETE GASKET SET AND 2 NEW INTAKE & EXHAUST VALVES.
Note: This overhaul rebuild kit will fit Briggs & Stratton opposed engines only, WILL NOT FIT INTEK or VANGUARD engines WHICH ARE OVERHEAD VALVE!!!
Cylinder Bore Chart.. Not for machine shop use, REFERENCE to Briggs & Stratton shop service manual for specific tolerances and specifications Std 3.4365"- 3.4375".010 3.4465"- 3.4475"
.020 3.4565"- 3.4575"
.030 3.4665"- 3.4675"
good 
