The new Street Demon carbs are a great carb. I have installed several and all have done a good job. They are a spread bore design that will fit both spread bore AND square bore intakes. Available in 625 and 750 CFMs.

www.holley.com/products/fuel_systems/carburetors/demon/street_demon/

www.youtube.com/watch?v=TRpmtLb_9dI


Master, again and still