Insane built R666 cc vs Black Widow L4 R6 stock motor

Two of the fastest Yamaha R6 examples a 666cc stroker and a max effort, weight reduction stock, motor, with all the Bolt ons black widow velocity, stacks and airbox, with black widows, custom fuel injectors on both bikes and black widows, spicy margarita. Mix methanol fuel powering, both these bikes to the finish line and believe it or not, we have even crazier more insane. Yamaha R6 Coming Your Way 

[rafaellastracom]

Probably around 170 hp at the crank, plus or minus. Sweet Mary, mother of pearl. Nice job.

[pwniepwnie]

7:53, that chain about to leave the video.

[rhx]

Looking like 150 on a cold day that might beat some 1ks honestly not bad.

[vlad]

Friend, what are the nozzles? Where can I buy them