Description
When your tractor starts running rough or lacks power, worn exhaust valves are often the culprit. These valves open and close thousands of times while you’re working, and they take a beating from hot exhaust gases and constant operation. If you’re hearing engine knock, noticing loss of compression, or seeing blue smoke, it might be time to check those valves.
What You’re Getting
- Precision-machined valve designed to handle high temperatures and pressures
- Direct replacement that fits like the original factory valve
- Heat-treated materials that resist warping and cracking
- Proper seat angle ensures tight seal and reliable compression
Built for Real Farm Work
This exhaust valve is engineered for International Harvester 4-cylinder gas engines, including the 123 CID, 124 CID, 126 CID, and G148 engines. These workhorses power everything from utility tractors used for hay production and livestock work to compact machines handling loader duties and general farm maintenance.
Made to Last
Farm engines work hard in dusty, dirty conditions with heavy loads and long hours. This valve is built with heat-resistant materials that maintain their shape and sealing properties even under the extreme temperatures found in exhaust ports. The precision machining ensures proper fit and function for reliable engine operation.
Good to Know
Engine work requires four exhaust valves per engine, so plan accordingly if you’re doing a complete valve job. While you’ve got the head apart, it’s a good time to check valve guides, springs, and seats. These valves measure 4-57/64 inch in length, which helps ensure you’re getting the right part for your engine rebuild.
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