4 ring piston ring set, some early 850T, T3

Piston ring set for early 4 ring piston as used in some 850T and early 850T3. For 83mm chrome or nickel/silicon plated cylinder bores. Oil ring measures ~3.98mm thick, both compression rings and the scraper ring measure ~1.45mm thick. Measure your original rings to be sure these are suitable for your application. One ring set contains four rings suitable to complete one piston.