Each year dash frame '68 - '69 - '70 is different, ignition switch mounting is the biggest difference '68 vs. '69.

'68 dash is Charger, Super Bee, & Coronet R/T w/gauges ONLY.
'70 wood grain dash shown is Charger R/T and/or SE, Super Bee, Coronet R/T w/gauges, & GTX ONLY (dash frame and gauges also used in Road Runner/Charger - no wood grain panels).