Description
When your International Harvester’s engine starts burning oil or you notice blue smoke on startup, worn valve guides are often the culprit. These guides keep your intake and exhaust valves properly aligned as they open and close thousands of times per minute. Without good guides, valves wobble, seals fail, and oil gets where it shouldn’t—leaving you with poor performance and expensive problems down the road.
What You’re Getting
- Precision-machined guide that keeps valves tracking straight and true
- Direct replacement that fits like the original factory part
- Quality construction that handles the heat and stress of continuous engine operation
- Compatible with both intake and exhaust valve applications
- Eight guides used per engine for complete valve train service
Built for Real Farm Work
This valve guide fits the classic International Harvester tractors that still do real work on farms today—your 100 series utility tractors, 200 series models, and the dependable Super A-1 and Super C series machines. These are the tractors you’ll find handling everything from hay work and cultivation to loader duty around the farmstead.
Made to Last
TISCO builds these guides to handle the demanding conditions inside your engine. They’re made from durable materials that resist wear from constant valve movement and high operating temperatures. The precision bore ensures proper oil clearance while maintaining valve stability for thousands of hours of operation.
Good to Know
Installing valve guides requires some machine shop work—they need to be pressed in and reamed to proper clearance for your valves. Most engine rebuilders can handle this as part of a head rebuild. If you’re tackling a complete engine overhaul, you’ll need eight of these guides total. Check your valve stem clearance before ordering to make sure guides are actually your issue.
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