K4 Series Custom Carburetors
Our K4 Series Carburetor is designed with the nitrous/ naturally aspirated racer in mind. From Mega Trucks, Super Cat Class Poker Run boats, to all out drag racing, this carburetor can handle whatever is thrown at it. This carburetor is made with a billet aluminum center section. As always, these are custom calibrated for your racing application.
Features:
*Billet construction for our 4150 and 4500 designs
*Custom boosters per application
*IRD Billet base plate for our 4150 designs
*Adjustable throttle linkage 4150/4500
*Cast aluminum fuel bowls with big sight windows
*Teflon bushing inserts for better throttle shaft sealing
*IRD K4 billet metering blocks (2 or 3 circuit design per application)
*Adjustable air bleeds
*High flow needle and seat custom to your specs\
*Compatible with gas applications
***Rated R Carburetor is recommended for E85 and alcohol combinations and salt water boat applications due to it's corrosion resistant coating.
Small block nitrous record holder, Ronny Rhodes, used our K4 Mini Dom on his small block nitrous engine and set a world record running 4.503 at 157 mph (See photo).
Small block nitrous record holder, Ronny Rhodes, used our K4 Mini Dom on his small block nitrous engine and set a world record running 4.503 at 157 mph (See photo).