i know the regular kappa 6.5's will fit but will the perfects, they look a little deeper then the regular kappa's anyone tried this b4?

Yes they fit with the use of an adaptor.

upon further review, there are NO kappa perfect multi element speakers.

If your talking about kappa perfect Component systems, They will fit.

KAPPA PERFECT6.1
6-1/2" Component System



Specifications
MSRP U.S. $: 549.95 pair
Power Handling, RMS: 100 Watts
Power Handling, Peak: 400 Watts
Frequency Response (±3dB): 75Hz - 23kHz
Sensitivity: 90dB
Impedance: 4 Ohms
Crossover Frequency(ies): 3.5kHz, 24dB/oct
Mounting Depth: 2-3/4" Perfect Mid-woofer, 1" Perfect tweeter


KAPPA60.7CS
6-1/2" two-way component system



Specifications
MSRP U.S. $: 349.95
Power Handling, RMS: 90 Watts
Power Handling, Peak: 270 Watts
Sensitivity: 95dB
Frequency Response: 45Hz - 25kHz
Mounting Depth: 2-3/16"
Impedance: 2 Ohms


KAPPA63.7I
6-1/2" three-way loudspeaker



Specifications
MSRP U.S. $: 219.95
Power Handling, RMS: 75 Watts
Power Handling, Peak: 225 Watts
Sensitivity: 95dB
Frequency Response: 45Hz - 25kHz
Mounting Depth: 2-3/16"
Impedance: 2 Ohms


KAPPA62.7I
6-1/2" two-way loudspeaker

http://www.infinitysystems.com/caraudio/images/productimages/smallimage/KAPPA62_7I.jpg

Specifications
MSRP U.S. $: 169.95
Power Handling, RMS: 75 Watts
Power Handling, Peak: 225 Watts
Sensitivity: 94dB
Frequency Response: 45Hz - 25kHz
Mounting Depth: 2-3/16"
Impedance: 2 Ohms