Description
If you’ve noticed your engine burning oil, blowing blue smoke, or just doesn’t have the power it used to, it’s probably time to freshen things up with a good piston and ring job. This .040″ overbore kit gives you the clean start your engine needs, with oversized pistons and rings that restore proper compression and seal up those worn cylinder walls that have been letting oil slip by.
What You’re Getting
- Complete .040″ overbore pistons designed for rebuilt cylinder bores
- Matched ring sets that provide proper oil control and compression sealing
- Quality construction that handles the heat cycles and pressure of diesel engine operation
- Everything needed for a professional cylinder rebuild when properly machined
Built for Real Farm Work
This kit is designed for engines that need more than just new rings – when your cylinders are worn beyond standard ring tolerance, going .040″ over gives you a fresh bore surface and proper ring-to-cylinder clearances. It’s the same approach machine shops use when rebuilding engines that have seen thousands of hours of hard work in field conditions.
Made to Last
These pistons and rings are built to handle the demanding conditions farm engines face – constant temperature changes, dusty conditions, and long hours at varying loads. The ring materials provide the right balance of sealing and wear resistance, while the pistons are designed to expand properly as the engine reaches operating temperature.
Good to Know
This is a machine shop job – your cylinders need to be properly bored .040″ oversize and honed to the correct finish for these rings to seat properly. Don’t skip the break-in period after installation – those first few hours of varied load operation are critical for proper ring seating and long engine life.






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