Dual quads on 440

You'd be best to simply clean the carbs, and get new gaskets and plungers.
Steer away from the cheap kits on ebay. The gaskets are OK but the seats threads must be filed to reduce the Excessive amount of
Of material, keeping the seat from fully going in. I would expect to pay $35 for quality kits with an accelerator pump
Pure Chinesium vs Made in the USA