Description
When your engine starts knocking or you’re hearing rod bearing chatter during a rebuild, you know it’s time to dig deeper. A worn rod bearing can turn a good day in the field into an expensive trip to the shop. This complete rod bearing kit gives you everything you need to get your 125 cubic inch gas engine running smooth and reliable again.
What You’re Getting
- Complete set of .020″ undersized rod bearings for all four cylinders
- Precision-sized bearings designed to restore proper clearances on a reground crankshaft
- Quality construction that handles the stress and heat of hard-working farm engines
- Direct replacement parts that fit just like the originals
Built for Real Farm Work
This kit is made for the 125 CID four-cylinder gas engines found in various Allis Chalmers tractors. These reliable engines powered many utility and row-crop tractors through decades of plowing, cultivating, and general farm work. Whether you’re running an older AC tractor for field work or keeping a classic machine running for parades and shows, proper rod bearings are essential.
Made to Last
Rod bearings take some of the biggest punishment in your engine, supporting the connecting rods as they handle combustion forces thousands of times per minute. These bearings are built to handle the job, with materials and tolerances designed to keep your engine oil pressure up and your crankshaft protected.
Good to Know
The .020″ undersize designation means these bearings are designed for crankshafts that have been ground .020″ smaller to remove wear and scratches. Make sure your machine shop measures your crank journals before ordering—using the wrong size bearings can cause serious engine damage. It’s also a good time to check your oil pump and clean out any debris while the engine’s apart.
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