can't seem to locate these I'll give you guys a shot.

772-
E 2KM
50

Seems kinda barebones for a custom

772 - Red cloth bench seat trim

E 2KM 5O

Gr. 1
E - A01 Tinted Glass

Gr. 2
K - C60 A/C
M - M35 Powerglide Trans

Gr. 5
O - Exterior Chrome

Do these match the ELC

They sure do. Thanks for the info.