Looks like annular boosters front and rear to me...... which would make it a 525.

The 625 has smaller/thinner primary boosters.

6CE60D85-142C-4AC9-BFDF-6CEF217B8835.png

68 Satellite, 383 with stock 906’s, 3550lbs, 11.18@123
Dealer for Comp Cams/Indy Heads