Description
When your International Harvester tractor is burning oil, losing compression, or just not running with the crisp power it used to have, worn piston rings are often the culprit. You know the signs—blue smoke on startup, oil disappearing faster than it should, or that sluggish feeling when you’re pulling implements. This 3-7/16″ overbore piston ring set gets your engine back to sealing properly, restoring the compression and clean operation you need for reliable farm work.
What You’re Getting
- Complete set for one cylinder with precise 3-7/16″ overbore sizing
- Three compression rings at 3/32″ thickness for proper sealing
- One oil control ring at 3/16″ thickness to manage lubrication
- Quality TISCO construction that’s built to handle the heat and pressure of gas engines
Built for Real Farm Work
This ring set is designed for International Harvester’s reliable C123 and C135 gas engines that powered a wide range of tractors and implements. Whether your machine is running a hay baler, powering a loader, or pulling tillage equipment, proper compression is what gives these engines the consistent power to handle tough jobs without strain.
Made to Last
TISCO builds their piston rings to handle the demanding conditions inside gas engines—constant heat cycling from cold morning starts to hot summer operation, plus the vibration and loads that come with farm work. These rings maintain proper tension and sealing through thousands of operating hours.
Installation Notes
This is an overbore set, so you’ll need machine work to bore the cylinder to the proper 3-7/16″ dimension. Most engine rebuilders will hone the cylinder and check ring gap before installation. It’s a good time to inspect the piston and cylinder for any scoring or wear while you’re this deep into the engine.
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