Description
When your old John Deere starts burning oil or you notice blue smoke on startup, worn piston rings are usually the culprit. If you’ve been adding oil more often or seeing that telltale puff of smoke when you fire up the tractor, it’s time to get those cylinders sealed up right. This complete ring set gives you everything you need to restore compression and get your two-cylinder running like it should.
What You’re Getting
- Complete 4-inch bore ring set with proper ring configuration—three compression rings at 3/32 inch and one oil control ring at 1/4 inch
- TISCO quality construction that meets or exceeds original specifications for reliable sealing
- Standard bore sizing means no machine work needed if your cylinders are still in spec
- Direct replacement for the original rings that came in your 100 CID gas engine from the factory
Built for Real Farm Work
This ring set fits the classic John Deere 100 cubic inch 2-cylinder gas engines that powered generations of reliable tractors. These are the engines that built John Deere’s reputation—simple, dependable powerplants that farmers could count on for decades of faithful service. Whether your tractor’s pulling a plow, running a hay baler, or powering the PTO for various implements, proper ring seal is what keeps that engine making power efficiently.
Made to Last
TISCO builds these rings to handle the demands of agricultural work, with materials and construction designed for the temperature cycling and loads that farm engines face. The ring face coatings provide proper wear characteristics against your cylinder walls, while the spring tension gives you the seal you need without excessive friction.
Good to Know
Ring replacement is a good winter project when the tractor’s not busy. Take your time during disassembly and keep everything clean—dirt in the cylinders can ruin your work. Check your cylinder bore with a gauge before installing new rings; if you’re out of spec, you’ll need machine work first. When installing, pay attention to ring orientation and use a proper ring compressor to avoid breaking the rings during assembly.






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