Yes they are :( - would still work, but not ideal. I'd get the V6 specific ones.
Just FYI - some part numbers and specs.
VT, VX, VY V6
0 280 155 777 (EV6)
21.44 LB/HR 219.85 CC/MIN 162 G/MIN 12 Ohm 3.5bar OP
VS, VT, VX, VY SUPERCHARDED V6
0 280 155 868 (EV6)
37.31 LB/HR 382.59 CC/MIN 282.05...