Big Block K Frame Identification

musclecargeek said
Here's another Big Block K Frame I believe? Sorry for being a pest but, I want to make sure not to make a mistake. Its says small block in ad.
MOPAR 1975 K-Member for A-Body | eBay

That is a SB V8 K frame just like that ad says. You need to go watch Jim Lusk's video over and over until you understand the process.