Description
When your tractor starts burning oil or blowing blue smoke, the problem’s usually sitting right in the cylinders. This piston ring kit is engineered for Massey Ferguson models like the 290 and 690 equipped with Perkins engines, giving you everything needed to restore compression and get your engine running strong again. A proper ring job isn’t just about stopping smoke—it’s about getting back the power and fuel economy you’ve been losing.
What You’re Getting
- Complete set of compression and oil control rings for all cylinders
- Precision-fit rings that seal properly from day one without a long break-in period
- Quality materials that handle the heat and pressure of hard farm work
- All the rings you need for a complete overhaul—no guessing about what’s missing
Built for Real Farm Work
These rings are designed for the Perkins engines that power the MF 290 and 690 tractors—machines known for their reliability in demanding applications. Mid-range tractors like these handle intensive hay operations, loader work, and implement transport where consistent engine performance keeps operations running smoothly. Whether you’re running a hay operation or doing custom work, these tractors need tight compression to pull heavy loads efficiently.
Made to Last
Farm engines work hard, and piston rings take the brunt of combustion pressure and heat cycling. These rings are built from materials that expand and contract properly with temperature changes while maintaining the seal that keeps compression in and oil out. When installed correctly with proper cylinder prep work, they’ll give you years of reliable service.
Good to Know
Ring installation requires proper cylinder honing and attention to ring gap specifications. If your cylinders are worn beyond limits, you’ll need an overbore and matching pistons. Take time to check bore taper and out-of-round before installing—good rings can’t fix worn cylinder walls. A quality torque wrench and ring compressor make the job much easier.
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