Service Instruction
FAA-PMA Replacement Parts
SI 94-4-1, Rev. 23 (07/16/10)
Title: ECi Piston Ring Sets Applications, Fitting Instructions and Reference
Page 4 of 6
Table 3
REFERENCE DATA
Individual Piston Ring Sets* for Lycoming Engines
ECi Ring Set
P/N
Barrel Surface Top
Ring
2
nd
Ring
3
rd
Ring
Oil
Ring
Scraper Equiv. Ring
Set P/N
Chrome or
Nickel+Carbide™
Chrome or
Nickel+Carbide™
Individual Piston Ring Sets* for Continental Engines
ECi Ring
Set P/N
Barrel Surface Top
Ring
2
nd
Ring
3
rd
Ring
Oil
Ring
Scraper Equiv. Ring
Set P/N
*NOTE: On occasion, ring sets may contain ring part numbers other than those listed in the reference data. When
substitution occurs, ECi has determined that the installation eligibility of the ring set and the warranty have not been
affected. The label of the ring set contains the actual part numbers of the rings in the set.
