Race Demon RS

Removable boosters allow unlimited opportunities for tuning. Patent#5807512

Changing carburetor size is easy by simply inserting the correct venturii

The Race Demons can easily be adapted from gasoline to alcohol and back again.

The billet baseplates on all Demon carburetors (where featured) are virtually unbreakable, unlike their cast counterparts.

The Race Demon™ RS (Removable Sleeve) is the ultimate carburetor design utilizing a 4150-style bolt pattern. The patented, removable venturi design allows racers to refine their engine tuning by sizing the carburetor to the specific track and conditions.

The Race Demon™ RS-series is available in a full range of air capacity ratings and directly replaces Holley® 4150-style carburetors. Every Race Demon™ RS shares the features of the fixed venturi Race Demons™: billet-aluminum metering blocks, billet aluminum baseplates, patented removable boosters, large capacity fuel bowls with patented sight glasses and patented, streamlined air entries.

This cutting edge technology allows Race Demons to produce greater power and achieve higher levels of consistent performance than conventional designs. Race Demon™ RS-series carburetors are offered in a variety of factory tune-ups: General Competition (GC), Oval Track (OT), Drag Race (DR), Blower (BC), Tunnel Ram (TR) and Road Race (RR).

All Race Demons can be serviced and tuned using Demon and BG Fuel Systems carburetor service and tuning parts.


Demon venturii sleeves are color-coded to indicate different bore sixes. Sizes range from 1.064" to 1.590" Patent #5863470 and patent #6120007	"Quik Release" gaskets are found with every King and Race Demon carburetor. Their unique coating makes fuel bowl removal simple and eliminates the need for gasket scraping - preventing damage to mating surfaces.

Featuring over 1,800 premium products highlighting the excellence of Barry Grant Inc.

Barry Grant’s 2006 catalog is now available.

Click Here to order your copy today!

Featuring over 1,800 premium products highlighting the excellence of Barry Grant Inc.

Barry Grant’s 2006 catalog is now available. Click Here to order your copy today!

Barry Grant’s 2006 catalog is now available.

Click Here to order your copy today!