Overhauling your International tractor engine? This complete valve train kit from JJAgParts has all the essential components you need for a smooth rebuild. The kit includes 4 intake valves (replaces 50731DA), 4 exhaust valves (50732DA), 8 valve springs (3566951), 8 guides (8044DR), 8 seals (279299R1), and 8 keeper locks (41339D). Designed to fit International tractor models like the M, Super M, Super MTA, W6, Super W6, and others with specific cylinder head castings (8060, 8574) and valve rotators. Valve lengths are 5.85\ for both intake and exhaust, with springs at 2.675\. Always verify your engine model and measurements before ordering. JJAgParts is an American family business committed to quality and customer satisfaction. Get your tractor running like new with this reliable valve train kit.