Description
When your old IH tractor starts burning oil and leaving blue smoke behind every furrow, those worn piston rings are telling you it’s time for some serious engine work. This piston ring set gives you what you need to get your trusty International Harvester back to running strong and clean, whether you’re doing a complete overhaul or just replacing rings to squeeze more life out of a high-hour engine.
What You’re Getting
- Complete ring package with three compression rings at 3/32 inch thickness for proper sealing
- One oil control ring at 3/16 inch width designed to manage oil consumption effectively
- Precision-ground rings engineered for the 3-1/4 inch overbore specification
- TISCO quality construction that meets the demands of agricultural engine service
Built for Real Farm Work
These rings are designed for International Harvester tractors that have had their cylinders bored out to 3-1/4 inches during a previous rebuild. This overbore size was commonly used when the original cylinders showed wear beyond standard limits. Whether your tractor spends its days pulling plows, running a hay baler, or powering a loader, these rings are built to handle the constant heat cycles and combustion pressures that farm engines face.
Made to Last
TISCO components are built to handle the punishment that farm engines dish out, with materials that resist oil breakdown, temperature extremes, and the constant expansion and contraction cycles that destroy cheaper parts. These rings maintain proper compression and oil control through seasons of hard use.
Installation Notes
This is a complete set for one engine – make sure your bore measurements match the 3-1/4 inch specification before installation. Professional installation is recommended since ring installation requires proper tools and technique to avoid damage. Check your cylinder walls for taper and out-of-round conditions before installing new rings.






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