Best choice in carb and jetting?

And I'm changing my front sprocket to 12t for my Westlake with a 508 or 504c.

What size carb intake do these even use? I'm totally clueless when it comes to carbs and what makes a carb good and could use some help.

Re: Best choice in carb and jetting?

Probably Fred /

If you clueless in carbs you may be clueless in cutting cylinder fins and grinding to fit this pipe. Mounting will need bracket fabration/welding. And then you got to jet/tune the carb. A D engine works best with this pipe

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