
0-4781CK1 Classic Double Pumper Carburetor Kit 850 CFM
- Classic Double Pumper Carburetor Kit
- 850 CFM
- Braided Fuel Line (350-8101)
- Fuel Pressure Gauge (555-41010)
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
These Holley Classic Double Pumper 4-barrel carburetors sport the classic Holley "gold" Dichromate finish. They are available in a variety of CFM (Cubic Feet per Minute) sizes to meet the volumetric efficiency your engine requires and for many sizes you can choose from the carburetor by itself or two kit options: one with a braided fuel line or another with both a fuel line and JEGS liquid-filled fuel pressure gauge!
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Holley Shared Specifications- Dual metering blocks
- Dual-feed fuel inlets
- Center-hung floats
- Manual or electric choke
- Hollet power valve blowout protection
- Mechanical secondaries
- Dual accelerator pumps
- 100% wet-flow tested and calibrated
- Dichromate finish
Holley Spec Variations
- 600, 650, 700, 750, 800, or 850 CFM Holley
- Four-corner idle system on part numbers 510-0-4779C and 510-0-4781C
JEGS Easy Kits are designed by JEGS professionals so you get all the parts you need.
When maximum performance and throttle response matter most, the Holley Classic Double Pumper Carburetors & Kits deliver unmatched power and precision. Designed for high-performance street and strip applications, these carburetors feature mechanical secondaries and dual accelerator pumps for instant fuel delivery and aggressive launches. Whether you're upgrading a muscle car or fine-tuning your race build, the Double Pumper is the go-to choice for serious performance enthusiasts.
Built on Holley’s legendary 4150 platform, these carburetors are available in a variety of configurations, including the iconic Holley 750 double pumper carburetor. This model is perfect for mid-to-large displacement V8s, offering excellent top-end performance without sacrificing low-end responsiveness. With manual choke, high-flow metering blocks, and replaceable jets, tuning is straightforward and highly customizable.
Each 750 double pumper unit is engineered for durability and precision, featuring high-quality materials and finishes that stand up to heat, vibration, and harsh fuels. Whether you're on the street or track, you can count on consistent fuel flow and throttle control when it matters most.
For those looking to complete their build, Holley also offers full kits that pair the Holly 750 double pumper with complementary components, streamlining the installation process and ensuring maximum compatibility.
At JEGS, we stock the full line of Holley Classic Double Pumper Carburetors & Kits, backed by expert support and fast shipping. Upgrade today and experience why Double Pumper performance has been a trusted standard for decades.
