Page 353 - 2020-2021 Racecar Engineering Drag Racing Parts and Accessories Catalog

2020 DRAG RACING

4150 Ultra XP Carburetors Dominator HP Carburetors
All-aluminum Ultra XP carburetors offer 30 new In addition to standard Dominator features,
upgrades over traditional 4150 HP car- the HP series gasoline carbs have
buretors including redesigned fuel contoured venturi inlets, screw-in air
bowls with 30% increase in capac- bleeds, high flow metering blocks,
ity, billet base plates and metering notched floats, four-corner idle and jet
blocks, a race-only throttle lever, extensions. A Dominator pattern intake
choice of progressive or 1:1 linkage, manifold or an adapter, and an air cleaner with
and dual bolt pattern mounting 7" air horn opening are required.
holes. Main bodies have integrated idle bypass valves and the air bleeds Primary Secondary
have been moved outward for a smoother transition of air flow. Mechanical Part No. Description Acc. Pump Acc. Pump Boosters
750 CFM, 2-Circuit
secondary carburetors are calibrated for gasoline, and are available in shiny HLY0-80186-1 1050 CFM, 2-Circuit 50cc 50cc Annular
HLY0-8082-1
Annular
50cc
50cc
tumble-polished finish with black or red metering blocks and base plates, or HLY0-8896-1* † 1050 CFM, 3-Circuit 50cc 50cc Annular
anodized Hard Core GrayTM with black metering blocks and base plates all HLY0-80556-1 † † 1150 CFM, 3-Circuit 50cc 50cc Annular
require dual feed fuel lines with 9.75" center distance. HLY0-80532-1 1250 CFM, 3-Circuit 50cc 50cc Annular
†Third circuit adds another level of transition.
Description Black Red Hard Core Gray *“Soft” progressive linkage.
600 CFM — — HLY0-80801HBX
650 CFM HLY0-80802BKX HLY0-80802RDX HLY0-80802HBX
750 CFM HLY0-80803BKX HLY0-80803RDX HLY0-80803HBX Gen 3 Ultra Dominator Carburetors
850 CFM HLY0-80804BKX HLY0-80804RDX HLY0-80804HBX New and improved, all-aluminum
950 CFM HLY0-80805BKX HLY0-80805RDX HLY0-80805HBX
Gen 3 carburetors are over 3 lbs.
4150 Ultra XP Carburetors Calibrated For E85 lighter than the original Dominator
and feature billet aluminum metering
Identical to the above Ultra XP 4150 carburetors, blocks and booster inserts. Suited to
but specially calibrated for use with E85 high-horsepower drag or street engines,
fuels. Fully redesigned, all-aluminum carburetors include fuel bowls with 20%
four-barrel carburetors feature a Hard increased capacity. Clear view sight win-
Core Gray finish with black metering dows allow safe, easy float adjustments, while knurled idle screws provide
TM
blocks and base plates. All require adjustment without the need for tools. Carburetors are available in shiny
dual-feed fuel lines with 9.75" center tumble-polished finish with black or red metering blocks and base plate, or
distance. anodized in Hard Core GrayTM with black metering blocks and base plate.
Part No. Description Carburetors listed are for single 4bbl gasoline applications.
HLY0-80842HBX 650 CFM
HLY0-80843HBX 750 CFM Description Black Red Hard Core Gray
HLY0-80844HBX 850 CFM 950 CFM, 2-Circuit, Single 4BBL HLY0-80901BK — HLY0-80901HB
HLY0-80845HBX 950 CFM 1050 CFM, 2-Circuit, Single 4BBL HLY0-80902BK HLY0-80902RD HLY0-80902HB
1050 CFM, 3-Circuit, Single 4BBL HLY0-80903BK — HLY0-80903HB
1150 CFM, 2-Circuit, Single 4BBL — HLY0-80905RD —
Dominator SP Carburetors 1150 CFM, 3-Circuit, Single 4BBL HLY0-80906BK — HLY0-80906HB
All-aluminum construction Dominator SP 1250 CFM, 3-Circuit, Single 4BBL HLY0-80908BK — HLY0-80908HB
carburetors feature the patent-pending, 1350 CFM, 3-Circuit, Single 4BBL — HLY0-80909RD HLY0-80909HB
—
HLY0-80911RD
—
1425 CFM, 3-Circuit, Single 4BBL
Gen 3 main body that is 5/16" 1475 CFM, 3-Circuit, Single 4BBL — HLY0-80910RD —
taller than previous models allowing
a larger, radiused air entry for
improved air flow. Incorporated air
cleaner flange allows easy air scoop
attachment with available adapter.
Suited to drag or street, carburetors
additionally include tunable billet metering blocks, knurled curb idle screws,
annular boosters, screw-in air bleeds, four-corner idle, clear view sight
windows and factory TPS mounting points for compatibility with data acqui-
sition systems. SP carburetors feature shiny finish with black hardware.
Part No. Description
HLY0-80688 1050 CFM Carburetor, 2-Circuit
HLY0-80689 1050 CFM Carburetor, 3-Circuit
HLY0-80690 1150 CFM Carburetor, 3-Circuit

Photo By: Josh Cline

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