COMPLETE VANGUARD V-TWIN REBUILD KIT – Includes (2) standard 72mm pistons with 3-piece ring sets, (2) standard connecting rods, 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 PART NUMBERS – Pistons w/Rings: 843792 (72mm STD, Qty 2) Connecting Rods: 807900-S (Qty 2) Gasket Set: 841188, 808390, 847319, 842722, 808704 Oil Filters: 492932S (Qty 2) Fuel Filter: 493629S Spark Plugs: NGK (replaces RC12YC) HIGH-QUALITY COMPONENTS – Piston & ring kits, connecting rods, and gasket set are NOT made in Taiwan or China, ensuring consistent machining, strength, and durability for long-term engine reliability. 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. This Vanguard V-Twin Engine Rebuild Kit with Connecting Rods is engineered for 35 cubic inch OHV engines that use a standard 72mm bore. It’s ideal for rebuilds that require refreshing both the top end and bottom end, without needing a full master kit with valves. The kit includes two standard 72mm pistons with 3-piece ring sets, two standard connecting rods, 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 fits 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 formulated for engine building and break-in. Its advanced blend 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 powered by Vanguard V-Twin engines.