Description
When your trusty old International is burning oil or losing compression, you know it’s time for a rebuild. These M, MV, W6, and OS6 series tractors have been the backbone of farms for decades, and when that 248 cubic inch gas engine starts showing its age, this basic overhaul kit gets you back to the field without breaking the bank. It’s got everything you need to bring that engine back to life, minus the bearings—giving you flexibility to choose what works best for your situation.
What You’re Getting
- Complete cylinder sleeves and seals to restore proper bore dimensions and compression
- Stepped-head high compression pistons with rings, pins, and retainers for better power and efficiency
- Pin bushings to eliminate wrist pin wear and noise
- Complete gasket set and crankshaft seals to stop leaks and keep oil where it belongs
- Standard 3-7/8 inch bore with 4 inch overbore pistons included for flexibility
Built for Real Farm Work
This kit fits the workhorse International Harvester M series row-crop tractors, MV series high-clearance models, W6 series standard-tread machines, and OS6 series orchard tractors. Whether you’re cultivating corn, working cattle, or maintaining fence rows, these are the tractors that built American agriculture. The 248 CID gas engine was known for its reliability and straightforward maintenance.
Made to Last
Tru-Power builds these components to handle the demands of farm work just like the original parts did. The stepped-head pistons provide better compression than flat-tops, and the sleeve construction lets you restore bore dimensions without expensive machine work. Quality materials and proper tolerances mean this rebuild will serve you for years to come.
Good to Know
This is a basic kit without bearings, so you can inspect your existing rod and main bearings and replace only what needs it. The 4 inch overbore pistons give you options if your cylinders need more cleanup than standard bore allows. Plan on having the head checked and valve work done while you’re at it—now’s the time to do it right.






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