Carb Recommendation

Hellrats said
I don't believe that one at all. All it takes is one backfire.

Believe it. I have been bulding Holleys since 1982 and have never blown a power valve either! Get your timing and pump shot correct and there is no reason for a backfire. in 1992 Holley added power valve protection. That's 26 years ago!

The Truth About Power Valves Used with Holley Carburetors - Engine Builder Magazine

$16 in case you worry about such things and run a carb older than 1992.

Holley 125-500 Power Valve Check Ball Kit