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The premium piston ring set (part number 38002920) is a professional engine overhaul kit for British-built Case IH / IHC diesel engines. Designed for 85.7 mm pistons, it features a complete set of 5 rings with precise thicknesses (2.37 / 2.38 / 2.39 / 4.76 / 4.75 mm) to restore compression and optimize oil control.
Genuine GRANIT high-precision piston ring kit. A complete replacement set for a single cylinder, engineered with precise technical tolerances and a robust 5-ring layout to restore original compression sealing and secure flawless oil film management.
| Product | Piston Ring Kit / Piston Rings Set (Set for 1 cylinder) |
| Nominal Diameter (Bore Ø) | 85.7 mm |
| Number of Rings per Kit | 5 piston rings |
| Ring Thicknesses Breakdown | 2.37 mm / 2.38 mm / 2.39 mm / 4.76 mm / 4.75 mm |
| Engine / Machine Compatibility | Case IH (International Harvester) - British Build Series |
| Original Cross References (OEM Ref.) | 3114775R91, I3114775R91 |
| Weight / EAN Code | 134 g / 4250808793857 |
| Item Code | 38002920 |
The GRANIT piston ring set (Item code 38002920) is a professional grade engine rebuild component developed specifically for Case IH / International Harvester diesel engines belonging to the classic British-built series (British Baureihe). The heavy-duty 5-ring configuration is designed to provide maximum gas tightness and reliable cylinder lubrication. It combines three top compression rings with micro-calibrated thicknesses (2.37 mm, 2.38 mm, and 2.39 mm) alongside two robust oil scraper rings (4.76 mm and 4.75 mm). Working in perfect harmony, this multi-ring pack effectively controls cylinder wall oil scraping and stops internal blow-by, returning original torque and optimal thermal efficiency to the engine block.
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