Description
When your old Allis Chalmers starts running rough or loses compression, worn valves are usually the culprit. A valve job might seem like a big project, but if you’ve got basic mechanical skills and the right parts, it’s one of those repairs that can bring new life to your trusty tractor. This service kit gives you everything you need to get your engine breathing properly again—intake valves, exhaust valves, springs, and keepers all in one package.
What You’re Getting
- Complete set of intake and exhaust valves engineered to OEM specifications for proper fit and sealing
- Heavy-duty valve springs that maintain proper tension through thousands of hours of operation
- Valve keepers (locks) that secure everything in place and resist wear from constant movement
- All components matched to work together for smooth engine operation and reliable performance
Built for Real Farm Work
This kit fits 4-cylinder gas engines in classic Allis Chalmers tractors—the dependable workhorses that many farms still rely on for everything from hay work to loader duty. These engines were built to last, and with fresh valves, yours can keep running for years to come.
Made to Last
TISCO builds these valves from quality steel that handles the heat cycles and combustion pressures your engine dishes out. The springs are wound to maintain proper valve timing even after extended use, and the keepers are machined for a precise fit that won’t slip or wear prematurely.
Good to Know
While you’ve got the head off for valve work, it’s a good time to check the valve guides and seats—they may need attention too. Make sure you have a valve spring compressor tool before starting, and don’t forget to lap the valves to their seats for a proper seal. Take your time with the installation and you’ll have an engine that runs like it should.






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