Description
When your Case 451D diesel starts burning oil, showing blowby at the breather, or just doesn’t have the compression it used to have, worn piston rings are usually the culprit. This complete ring set gives you everything you need to bring that 6-cylinder powerplant back to life. You’ll get rings for all six pistons with the proper dimensions and configurations that Case engineered for reliable performance.
What You’re Getting
- Complete ring set for all 6 pistons – no need to mix and match from different kits
- Proper ring specifications with 3 compression rings at 3/32″ and 1 oil control ring at 1/4″
- Quality TISCO construction that meets or exceeds original equipment standards
- Pre-gapped rings designed for the 451D’s specific bore dimensions
- All rings included for a complete overhaul without surprises
Built for Real Farm Work
The Case 451D was a workhorse diesel that powered various Case equipment through demanding agricultural applications. Whether it’s in a tractor handling field work, a combine harvesting crops, or other Case machinery, this engine was built to run hard day after day. This ring set restores the compression and oil control that keeps these engines reliable for years of service.
Made to Last
These aren’t bargain basement rings that’ll have you tearing the engine apart again in a season or two. TISCO builds these rings to handle the heat, pressure, and constant cycling that farm diesel engines see. The materials and manufacturing meet the standards that made the 451D a dependable powerplant in the first place.
Installation Notes
Ring installation requires careful attention to ring gap measurements and proper orientation. Take your time with ring gap checking – each cylinder’s gap should be measured at the bottom of the bore where wear is minimal. The oil control rings have specific installation procedures, so follow the manual’s torque specs and assembly sequence for best results.






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