From 2007 and on they switched from the traditional flat bottom of the feednecks to more of a downward curve design. Only 05/06 feednecks will work with anything older than 07. This includes the Etek/Etek 2.
Planet Eclipse Etek
w/. Star frame, 08 Ego expansion board, Etek 3 regulator, Ego10 OOPS ASA, SLS Cure 3+ bolt w/. inserts, Zick kit, Kila detents, Ego 5/6 clamping feedneck w/. Ego 11 lever and Violent thumbwheel, PE red laser eyes, Shaft 4 barrel kit w/. all backs and fronts, both Bump pistons.
V3 Dye Rotor w/. Virtue board
114/4500 Carleton w/. Myth reg
Ego/Etek Parts FS/T