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Superior’s Millennium Cylinders® for CMI Engines

With well over 100,000 currently in service around the world and millions of flight hours behind them, Superiors Millennium Cylinders® are without question, the most popular FAA-approved, PMA aftermarket cylinders in all of general aviation.

CMI
Engine Eligibility
Part
Number
A-65 (Sold in Kit of 4 – STC) SA65000S0
C-75; C-85 SA10200-A21P
C-90 SA10200-A22P
O-200-A, B SA10200-A20P
C-125-2; C145-2, -2H SA10200-A20P
O-300-A, B, C, D SA10200-A20P
O-470-G, M, P SA47006S-A20P
O-470-K, L, R, S SA47006S-A21P
IO-470-C, G, P, R SA47006S-A20P
O-470-U SA47006L-A20P
IO-470-D, E, F, H, L, M, N, S, U, V SA47006L-A20P
IO-520-A, B, BA, BB, C, CB, D, E, F, J, K, L, M, MB SA52006-A20P
TSIO-520-AF,B,BB,C,CE,D,DB,E,EB,G,H,J,JB,K,KB,L,LB,M,N,NB,P,R,
T,UB,VB,WB
SA52006-A22P
IO-550-A, B, C SA52006-A23P
IO-550-D, E, F, L (Taper Finned Barrel) SA55006-A20P