4150 Double Pumper Carburetors Ideal for the “weekend warrior”, carbs
Competition Series Carburetors Dual feed, 4150 and 4160 series four barrel carburetors are wet-flow tested and tailored for racing with competi- tion fuel curves, center hung floats, four corner idle and deleted chokes. Part No. Description HLY0-9379 750 CFM 4150 Series Carburetor HLY0-9381 830 CFM 4150 Series Carburetor HLY0-9380 850 CFM 4150 Series Carburetor 4150 HP Carburetors Carbs offer the hard core drag racer all of the benefits of a modified carbure- tor at a fraction of the cost. Venturi sections have been modified, the through-hole ma- HLY0-80540-1 600 CFM Gas Mechanical HLY0-80541-1 650 CFM Gas Mechanical HLY0-80529-1 750 CFM Gas Vacuum 30cc HLY0-80528-1 750 CFM Gas Mechanical 30cc HLY0-80535-1 750 CFM Meth. Mechanical 50cc HLY0-80496-1 950 CFM Gas Mechanical 30cc HLY0-80498-1 950 CFM Meth. Mechanical 50cc HLY0-80513-1 1000 CFM Gas Mechanical 30cc HLY0-80514-1 1000 CFM Gas Mechanical 30cc 4150 Ultra XP Carburetors All-aluminum, Ultra XP carburetors offer 30 new upgrades over traditional 4150 HP carburetors including rede- signed fuel bowls with 30% increase in capacity, billet base plates and metering blocks, a race-only throttle lever, choice of progressive or 1:1 linkage, and dual 30cc 30cc Part No. Description Secondaries Primary Acc. Pump
include center hung float bowls, dual fuel inlets, mechanical secondaries with dual accelerator pumps, four-corner idle, dual metering blocks, manual choke, and power valve blow-out protection.
Dichromate Finish Part No.
Shiny Finish Part No. HLY0-4776S HLY0-4777S HLY0-4778S HLY0-4779S HLY0-4780S HLY0-4781S
Description
600 CFM Carburetor 650 CFM Carburetor 700 CFM Carburetor 750 CFM Carburetor 800 CFM Carburetor 850 CFM Carburetor
HLY0-4776C HLY0-4777C HLY0-4778C HLY0-4779C HLY0-4780C HLY0-4781C
4150 Ultra Double Pumper Carburetors Ideal for lightweight street and strip vehicles with manual transmissions or automatic trans- missions with high stall torque converters and low final drive gearing. Carbs have mechanical secondaries, dual fuel inlets, electric chokes, glass fuel level sight win- dows and ports for vacuum, PCV and ignition (timed). Available with black, blue, hard core gray or red anodized metering blocks and base plates.
chined, 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. Avail- able for gasoline or methanol.
Secondary Acc. Pump Boosters
30cc 30cc 30cc 50cc 30cc 50cc 50cc 50cc N/A
Straight-Leg Straight-Leg Down Leg Down Leg Down Leg Down Leg Down Leg Down Leg
Black Part No.
Blue Part No.
Hard Core Gray Part No.
Red Part No.
Description 650 CFM Carburetor 750 CFM Carburetor
HLY0-76650BK HLY0-76650BL HLY0-76650HB HLY0-76650RD
Annular
HLY0-76750BK HLY0-76750BL HLY0-76750HB HLY0-76750RD
4150 Street HP Carburetors Tumble polished carbs have contoured venturi, 2-corner idle and are calibrated for outstanding throttle response. The choice of double pumper or quick change vacuum second- ary models adds versatility. Part No. Description HLY0-82651 650 CFM Double Pumper HLY0-82750 750 CFM Vacuum Secondary HLY0-82751 750 CFM Double Pumper HLY0-82851 850 CFM Double Pumper HLY0-82951 950 CFM Double Pumper Aluminum 4150 Street HP Carburetors
bolt pattern mounting holes. Main bodies have integrated idle bypass valves and the air bleeds have been moved outward for a smoother transition of air flow. Mechanical secondary carbu- retors, which are calibrated for gasoline, are available in shiny, tumble-polished finish with black or red metering blocks and base plates, or anodized Hard Core Gray with black metering blocks and base plates all require dual feed fuel lines with 9.75" center distance.
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
Black Part No.
Red Part No.
Hard Core Gray Part No. HLY0-80801HBX HLY0-80802HBX HLY0-80803HBX HLY0-80804HBX HLY0-80805HBX
Description
600 CFM HLY0-80801BKX 650 CFM HLY0-80802BKX 750 CFM HLY0-80803BKX 850 CFM HLY0-80804BKX 950 CFM HLY0-80805BKX
HLY0-80801RDX HLY0-80802RDX HLY0-80803RDX HLY0-80804RDX HLY0-80805RDX
outstanding throttle response, superior driveability and maximum performance, resulting in the ultimate street/strip carburetor. Of- fered with mechanical or vacuum secondaries, carbs additionally include four-corner idle and dual feed fuel inlets. Part No. Description
4150 Ultra XP Carburetors Calibrated For E85 Identical to the above Ultra XP 4150 carburetors, but specially calibrated for use with E85 fuels. Fully redesigned, all-aluminum four-barrel carburetors feature a Hard Core Gray finish with black
metering blocks and base plates. All require dual feed fuel lines with 9.75" center distance. Part No. Description HLY0-80841HBX 600 CFM HLY0-80842HBX 650 CFM HLY0-80843HBX 750 CFM HLY0-80844HBX 850 CFM HLY0-80845HBX 950 CFM
HLY0-82651SA 650 CFM, Mechanical Secondary HLY0-82750SA 750 CFM, Vacuum Secondary HLY0-82751SA 750 CFM, Mechanical Secondary HLY0-82851SA 850 CFM, Mechanical Secondary HLY0-82951SA 950 CFM, Mechanical Secondary
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