Engine Components International has been an aftermarket supplier of aircraft piston engine components since 1943.









Class Reference Manual

Class Reference Manual : Sections 1-9 are FAA-DER Approved by AEC
Section 1 Rev 16 Legend (Lycoming to ECi)
Lycoming Engine Model to ECi Cylinder Class Number (#01-48)
Section 2 Rev 16 Legend (Continental to ECi)
Continental Engine Model to ECi Cylinder Class Number (#60-77)
Section 3 Rev 16 Cross-Reference Guide of ECi Cylinder Class Number to Lycoming Engine Model
Section 4 Rev 17 Cross-Reference Guide of ECi Cylinder Class Number to Continental Engine Model
Section 5 Rev 11 Radial Engine Manufacturers and Models to ECi Stud Assembly Class Number
Section 6 Rev 15 Lycoming Cylinder Stud Assembly Class Number Differentiations
Section 7 Rev 15 Continental Cylinder Class Differences
Section 8 Rev 14 Lycoming Core Part Number in Ascending Order to ECi Cylinder
Class Number (#01-48)
Section 9 Rev 15 Continental Core Part Number in Ascending Order to ECi Cylinder Class Number (#60-77)


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No part of this Class Reference Manual may be reproduced or translated except in conjunction with installation and/or use of ECi products and services. All other uses are expressly prohibited. Class Reference Manual, Airmotive Steel, CermiNil, Double Band, ECi, FREEDOM, IFR, Nickel+Carbide, Q3, Q4, Q5, TITAN & TITAN Advanced are Trademarks or Registered Trademarks of Engine Components, Inc or Airmotive Engineering, Inc.

Airmotive Engineering Corp. (AEC) and Engine Components are business units of Danbury AeroSpace.