Briggs and Stratton Model 9 (?)

Found this engine on Craigslist. I think its a Briggs model 9. If you have any information to the contrary, let me know…

HOW TO: 1000-HP LS (COUPLER EXPLODES!)

FULL RESULTS-LS TURBO & SUPERCHARGED COMBOS. How to make 1000 dyno proven horsepower. WATCH THE CHEAP COUPLER EXPLODE!! Test Motors-Twin Turbo 4.8L, Procharged…