Page 383 - 2022-23 Auto Performance Drag Racing

4150 Double Pumper Carburetors
Ideal for the “weekend warrior”, carbs include center-hung float bowls, dual fuel inlets, mechanical secondaries with dual accelerator pumps, four-corner idle, dual me- tering blocks, manual choke, and power valve blow-out protection.
HLY0-4778C
DRAG RACING
Aluminum 4150 Street HP Carburetors
Description
Dichromate Finish
Shiny Finish
HLY0-76750BK
HLY0-82651SA
Weighing up to 40% less than
traditional 4150 Street HP carbs,
Aluminum Street 4150 HP
carburetors share many features
with the race 4150 HP models,
but are engineered for street or
light competition. Tumble-polished
shiny-finish carbs utilize screw-in
air bleeds and street HP base plate with vacuum ports for power brakes, PCV, etc. Optimized calibration helps provide outstanding throttle response, superior driveability, and maximum performance, resulting in the ultimate street/strip carburetor. Offered with mechanical secondaries carbs ad- ditionally include four-corner idle and dual-feed fuel inlets.
600 CFM Carburetor
HLY0-4776C
HLY0-4776S
650 CFM Carburetor
HLY0-4777C
HLY0-4777S
700 CFM Carburetor
HLY0-4778C
—
750 CFM Carburetor
HLY0-4779C
HLY0-4779S
800 CFM Carburetor
HLY0-4780C
—
850 CFM Carburetor
HLY0-4781C
HLY0-4781S
4150 Ultra Double Pumper Carburetors
Part No.
Description
HLY0-82651SA
650 CFM, Mechanical Secondary
HLY0-82751SA
750 CFM, Mechanical Secondary
HLY0-82851SA
850 CFM, Mechanical Secondary
HLY0-82951SA
950 CFM, Mechanical Secondary
Ideal for lightweight street and
strip vehicles with manual trans-
missions or automatic transmis-
sions with high- stall torque
converters and low final drive
gearing. Carbs have mechanical
secondaries, dual fuel inlets,
electric chokes, glass fuel level
sight windows, and ports for vacuum,
PCV, and ignition (timed). Available with black, blue, hard- core gray, or red anodized metering blocks and base plates.
Competition Series Carburetor
Dual-feed, 4150 series four-barrel carburetors are wet-flow tested
and tailored for racing with
competition fuel curves, center-
hung floats, four-corner idle, and HLY0-9379 deleted chokes.
Part No. Description HLY0-9379 750 CFM 4150 Series Carburetor
Description
Black Blue
Hard Core Gray
HLY0-82751
Red
650 CFM Carburetor
HLY0-76650BK
HLY0-76650BL
—
HLY0-76650RD
750 CFM Carburetor
HLY0-76750BK
HLY0-76750BL
HLY0-76750HB
HLY0-76750RD
4150 HP Carburetors
HLY0-80541-1
4150 Street HP Carburetor HLY0-82751
Tumble polished carbs have contoured venturi, 2-corner idle, and are calibrated for outstanding throttle response.
Track Warrior Carburetors
Designed for lightweight race ve- hicles with low gearing, all-new aluminum carburetors utilize
the best features from Hol-
Carbs offer the hard-core drag
racer all of the benefits of a
modified carburetor at a fraction
of the cost. Venturi sections have
been modified, the through-hole
machined, and air horn/choke
have been eliminated for greater
air flow. All carbs have four-corner idle, high-flow power valves and accelerator pumps, and 4500 Dominator-style fuel bowls. Available for gasoline or methanol.
4150 Ultra XP Calibrated for Methanol HLY0-80833HBX NEW!
The 4150 series Ultra XP
carburetor is calibrated spe-
cifically for use with methanol.
Lightweight, aluminum-bodied
carburetor is 38% lighter than
traditional carbs, and features
a 20% greater fuel bowl capac-
ity. Carburetor features a Hard Core Gray anodized main body and fuel bowls, and features a black anodized, billet aluminum base plate and fully adjustable metering blocks, adjustable secondary linkage, mechanical secondary, four- corner idle, clear view sight windows, .150" stainless needle and seats, and dual 50cc accelerator pumps.
Part No.
Description
Secondaries
Primary Acc. Pump
Secondary Acc. Pump
Boosters
HLY0-80541-1
650 CFM Gas
Mechanical
30cc
30cc
Straight-Leg
HLY0-80535-1
750 CFM Meth.
Mechanical
50cc
50cc
Down Leg
HLY0-80496-1
950 CFM Gas
Mechanical
30cc
30cc
Down Leg
ley’s classic 4150 HP carbs
with the addition of billet
metering blocks, billet base
plate, and knurled (hand-
adjustable) curb idle screws.
The all-aluminum construc-
tion weighs 40% less than previous models. Black billet metering blocks feature improved durability over cast blocks, while fully adjustable emulsion bleeds, power valve channel restrictors, and idle feed restrictors are featured. Contoured aluminum main body incorporates screw-in air bleeds for precision tuning capabilities.
Part No.
Description
HLY0-67199BK
HLY0-67199BK
650 CFM Track Warrior Carburetor
HLY0-67200BK
750 CFM Track Warrior Carburetor
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2022-23