Description
When you’re pulling your engine apart for a rebuild, the crankshaft bearings are often the heart of the problem. Over time, these crucial components wear down from thousands of hours of operation, creating play in the crankshaft that leads to knocking, oil pressure loss, and eventually catastrophic engine damage. This main bearing kit gives you the precision-fit replacement bearings you need to restore your International Harvester engine to factory specifications.
What You’re Getting
- Complete set of main bearings sized .020 inch oversize for worn crankshaft journals
- Engineered to TISCO quality standards for reliable performance and long service life
- Precision manufacturing ensures proper oil clearances and smooth crankshaft operation
- Direct replacement for original International Harvester bearing sets
Built for Real Farm Work
This bearing kit is designed for International Harvester engines that have seen enough service to require crankshaft machining. When your machine shop turns the crank journals .020 oversize to clean up wear and scoring, these bearings provide the perfect fit. Whether you’re rebuilding a workhorse utility tractor engine or refreshing a row-crop machine’s powerplant, proper bearing clearances are critical for oil pressure and engine longevity.
Made to Last
Engine bearings take tremendous loads and operate in harsh conditions with constant pressure, heat, and vibration. These TISCO bearings are manufactured from quality materials with the proper lead-bronze overlay and steel backing to handle the demanding conditions of agricultural use. They’re built to maintain proper oil clearances and protect your freshly machined crankshaft investment.
Installation Notes
These .020 oversize bearings require a crankshaft that’s been machined to .020 undersize on the main journals by a qualified machine shop. Always check bearing clearances with Plastigage before final assembly, and use fresh engine oil and a new oil filter when firing up your rebuilt engine. Don’t forget to prime the oil system before first start to protect those new bearings.
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