Description
When your International Harvester tractor starts burning oil, losing compression, or just doesn’t have the power it used to, worn piston rings are often the culprit. Poor compression and oil burning usually point to worn piston rings that need replacing to restore proper engine sealing and performance. This complete ring set gets your engine back to running like it should, whether you’re running tillage equipment or handling daily chores around the farm.
What You’re Getting
- Complete set with proper ring combination: one 1/8 inch top compression ring, one 1/2 keystone ring, one 1/8 inch second ring, and one 1/4 inch oil control ring
- Precise 3-11/16 inch standard bore diameter for exact International Harvester specifications
- Keystone ring design that provides superior sealing under high compression loads
- Quality construction that handles the heat and pressure of farm engine operation
Built for Real Farm Work
This ring set is designed for International Harvester engines with the 3-11/16 inch bore diameter found in various tractor models from the classic era. These engines power the equipment you depend on for field preparation, planting, and harvesting operations where reliable compression is essential for pulling power. Whether you’re working ground, baling hay, or running a loader, proper ring sealing is what gives your tractor the compression it needs to handle tough jobs.
Made to Last
Quality piston rings are built to handle harsh conditions inside engines – high compression ratios, constant heat cycling, and the contaminants that come with farm work, maintaining proper tension and sealing through thousands of operating hours. The keystone design on the second ring provides extra durability against blow-by and helps maintain compression longer than conventional rectangular rings.
Installation Notes
Ring installation requires engine disassembly and proper measuring tools to ensure correct fit, and you’ll want to check your cylinder bore for wear or scoring before installing new rings since cylinders sometimes need honing for proper ring seating. Take your time with ring gap measurements and follow proper installation procedures – a good ring job can give you years of reliable service when done right.






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