Willy's - Carburetor for GM604

Willy's 604 Carb features Holley HP main body, 750 base plate w/stainless steel butterflies and Teflon bushed throttle shafts, and Willy's externally adjustable metering blocks that allow jet changes with a flick of the wrist. Each carburetor is dyno tested and tuned specifically for the GM 604 Crate motor’s high vacuum camshaft profile.


Please note:  All carburetors are built to order and dyno tuned before shipping. If time is a factor for you, please call to verify lead times. (618) 262-8021

For optional add-ons, such as Super Bowls or Rollover Plates, please visit our carburetor accessories tab.