Description
When your old International Harvester starts losing compression or running rough, the problem’s often in the valve train. Those distillate engines were built to work hard and run forever, but after decades of faithful service, valves wear out, springs get weak, and guides develop play. This complete valve overhaul kit gives you everything you need to get that engine breathing properly again.
What You’re Getting
- Complete set of intake and exhaust valves machined to original specifications
- Fresh valve springs that’ll maintain proper seating pressure season after season
- Precision valve guides that eliminate wobble and oil burning
- Valve locks (keys) to keep everything secure under operating loads
- All components work together as a matched set for reliable performance
Built for Real Farm Work
This kit is designed specifically for 4-cylinder International Harvester distillate engines – the workhorses that powered countless farms through the middle of the 20th century. These engines ran on cheaper distillate fuel and were known for their durability and simple, reliable design. Whether you’re restoring a vintage Farmall or keeping a working tractor running, this kit restores the valve train to like-new condition.
Made to Last
TISCO builds this kit using materials that match or exceed the original specifications. The valves are hardened to handle the heat cycles and combustion pressures these engines generate, while the guides are manufactured to precise tolerances that’ll last for thousands more hours of operation. These aren’t bargain parts – they’re built for farmers who need their equipment to work.
Installation Notes
This is a job for someone comfortable with engine work or a good shop. You’ll need to pull the head and have the valve seats checked and possibly recut during assembly. Take your time with the valve lash adjustment when you put it back together – these old engines are particular about their valve clearances. A good machine shop can handle the technical work while you focus on the reassembly.





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