K4 Series Carburetors
Our K4 series Carburetors follows along the same lines as the Rated “R” Carburetor. This carb is made for a cast aluminum center section. As always, these are custom calibrated per application.
Features:
- Cast main body tumble finished (dominator) and shiny aluminum or billet 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
- 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, E85 andAlcohol
- All carbs can be hard anodized for an extra $200.00 recommended for E85 and alcohol combinations