Compatible with Briggs & Stratton Vanguard V-Twin MASTER Engine Rebuild Kit – 72mm Standard Fits 35 CID 18HP–25HP Engines – Pistons, Connecting Rods, Valves, Gasket Set, Filters, Spark Plugs, Lube

This Vanguard V-Twin MASTER Engine Rebuild Kit is engineered for 35 cubic inch OHV engines that use a standard 72mm bore. It is the most complete rebuild option available, covering both top-end and bottom-end components for a full engine restoration. The kit includes two standard 72mm pistons with 3-piece ring sets, two standard connecting rods, intake and exhaust valves, a complete gasket set with seals, spark plugs, oil and fuel filters, and Lucas professional engine assembly lube. All components are selected to meet or exceed OEM replacement specifications for Vanguard V-Twin engines. – IMPORTANT FITMENT NOTICE: This kit is intended for standard bore 72mm engines only. Always verify your engine model number before ordering. Do not rely on horsepower alone when selecting rebuild components. The included Lucas Assembly Lube is designed specifically for engine building and break-in. Its advanced formula helps prevent dry starts, galling, scuffing, and premature wear during initial startup. Compatible with 35 CID Vanguard V-Twin OHV engines, including (but not limited to): 350442, 350445, 350446, 350447, 355447, 356442, 356445, 356446, 356447, 35644A, 356776, 356777, 358772, 358776, 358777, 359447, 359775, 359777, and more. Ideal for commercial mowers, generators, and heavy-duty equipment where maximum reliability and longevity matter.

• MASTER VANGUARD V-TWIN REBUILD KIT – Includes (2) standard 72mm pistons with 3-piece ring sets, (2) standard connecting rods, intake & exhaust valves, complete gasket set with seals, spark plugs, (2) oil filters, fuel filter, and 4oz Lucas engine assembly lube.
• FITS 35 CUBIC INCH VANGUARD ENGINES (72MM BORE) – Designed for Vanguard 18HP, 20HP, 23HP, and 25HP OHV V-Twin engines that use a standard 72mm bore. – Do NOT select by horsepower alone – verify engine model number.
• REPLACES OEM BRIGGS & STRATTON PART NUMBERS – Pistons w/Rings: 843792 (72mm STD, Qty 2) Connecting Rods: 807900S (Qty 2) Gasket Set: 841188, 808390, 847319, 842722, 808704 Intake Valves: 807680 (Qty 2) Exhaust Valves: 807681, 808687 (Qty 2) Oil Filters: 492932S (Qty 2) Fuel Filter: 493629S Spark Plugs: NGK (replaces RC12YC)
• HIGH-QUALITY COMPONENTS – Piston & ring kits, connecting rods, valves, and gasket set are NOT made in Taiwan or China, ensuring precise machining, durability, and long service life for professional rebuilds.
• ENGINE ASSEMBLY LUBE INCLUDED – Professional semi-synthetic assembly lube with zinc, moly, and high-pressure additives to protect bearings, cams, lifters, and valve train during startup and engine break-in.