Made in USA
Mechanical Secondary 650 cfm Carb Emission replacement carb*
Product Discontinued
HOLLEYPART NUMBER: 510-0-6210

Mechanical Secondary 650 cfm Carb Emission replacement carb*

Currently Unavailable

This product is no longer available. Please call customer service for assistance at 1-800-345-4545.

Mechanical Secondary 650 cfm Carburetor & Kit
  • Divorced choke
  • Spread Bore
    • Mechanical Secondary 650 cfm Carb
    • Emission replacement carb*
    • Single-feed fuel inlet
    • Preset float level
    • Spread bore**
    • Built-in fuel filter system

      *Not legal in California for street use on vehicles originally equipped with a 2-barrel carburetor for which there was no 4-barrel option

      **Installation on square flange manifolds requires square flange-to-spread bore adapter 720-1932
    • Street Carburetor

      Holley 650 CFM Classic Replacement Carburetors

      Holley 650 CFM Classic Replacement Carburetors are designed to deliver reliable fuel delivery, crisp throttle response, and proven street performance for a wide range of carbureted V8 engines. Built for enthusiasts looking to replace aging factory carburetors or upgrade to a more performance-oriented induction system, these carburetors combine classic Holley engineering with dependable drivability and tuning flexibility. Whether you’re restoring a classic GM muscle car, upgrading a Ford street machine, or improving the drivability of a Mopar cruiser, Holley 650 CFM Classic Replacement Carburetors provide the airflow capacity and fuel metering precision needed for balanced street and performance applications.

      Show More

      The 650 CFM airflow rating makes these carburetors especially popular for small block and mild big block combinations that require strong mid-range power and responsive acceleration without sacrificing street manners. Known throughout the performance industry for durability and tunability, Holley replacement carburetors are engineered to support a variety of naturally aspirated engine setups used in daily drivers, hot rods, restoration projects, and weekend performance builds.

      Performance Benefits & Key Features

      Holley 650 CFM Classic Replacement Carburetors are engineered to improve engine efficiency, throttle response, and overall drivability across a broad RPM range. Their calibrated fuel circuits and precision-machined metering components help provide consistent air/fuel delivery for smoother acceleration and dependable street performance. Enthusiasts often choose a 650 CFM carburetor because it offers an ideal balance between airflow capacity and low-speed responsiveness for many popular V8 engine combinations.

      Constructed from durable aluminum components with high-quality gaskets and hardware, these carburetors are designed for long-term reliability and straightforward tuning adjustments. Features commonly appreciated by builders include adjustable idle settings, electric or manual choke compatibility, vacuum secondary operation for improved street drivability, and compatibility with aftermarket intake manifolds and fuel systems.

      These carburetors are commonly used in street performance applications, classic muscle car restorations, hot rod builds, and light towing setups where dependable fuel delivery and strong throttle response are priorities. Their versatile design supports a variety of camshaft profiles and engine modifications, making them suitable for both mild performance upgrades and more aggressive street combinations.

      Fitment, Compatibility & Applications

      Holley 650 CFM Classic Replacement Carburetors are compatible with many carbureted GM, Ford, and Mopar V8 engines, including small block Chevy, Ford Windsor, Chrysler small block, and other popular performance platforms. They are frequently installed on classic Camaros, Chevelles, Mustangs, Chargers, pickups, and custom street rods seeking improved drivability and reliable performance.

      Ideal for restoration enthusiasts, street performance builders, and weekend cruisers, these carburetors deliver the trusted quality and tuning flexibility Holley is known for. Explore the available Holley 650 CFM Classic Replacement Carburetor options to find the right setup for your engine combination and driving style.

    Part TypeCarburetor
    Product LineHolley 650 cfm Classic Replacement Carburetors
    BrandHOLLEY
    Package Height8.0
    Package Width11.6
    Package Length12.6
    Weight14.7 PG
    Part CategoryPerformance Parts
    UsageStreet/Hi-Performance
    FlangeSquare Bore
    ChokeDivorced
    EmissionWithout EGR
    QuantitySold individually
    BarrelFour
    Cfm650
    TypeAutomotive
    Throttle Linkage TypeChevrolet
    New Or RemanufacturedNew
    Ford KickdownNo
    Carburetor FlangeSpread bore
    FuelGasoline
    New Or RemanufacturedNew
    Secondary TypeMechanical
    Part FitmentUniversal
    FinishGold Dichromate
    Vendor Part Number0-6210
    Package Qty1
    Package TypeEA
    No Questions
    No Reviews

    Items You Need

    Carburetor Fuel Inlet AN Fittings -6 AN to 7/8"-20

    JEGS

    Carburetor Fuel Inlet AN Fittings -6 AN to 7/8"-20

    Part Number : 555-100500
    $1099$11.09
    You Save$0.10
    -06AN Carburetor to Regulator Fuel Line Kit

    JEGS

    -06AN Carburetor to Regulator Fuel Line Kit

    Part Number : 555-100815
    $6446$83.99
    You Save$19.53
    Dual Feed Fuel Line Kit for Holley 4150 Carburetors [-6 AN, Blue/Red]

    JEGS

    Dual Feed Fuel Line Kit for Holley 4150 Carburetors [-6 AN, Blue/Red]

    Part Number : 555-100824
    $7199$77.69
    You Save$5.70
    Power Valve Block-Off Kit Made in the USA

    JEGS

    Power Valve Block-Off Kit Made in the USA

    Part Number : 555-15010
    $399$4.29
    You Save$0.30
    50-Piece Vinyl Vacuum Cap Kit

    JEGS

    50-Piece Vinyl Vacuum Cap Kit

    Part Number : 555-15012
    $1099$11.89
    You Save$0.90
    Carburetor Standard Main Jet Kit with Case [Sizes: 70-80]

    JEGS

    Carburetor Standard Main Jet Kit with Case [Sizes: 70-80]

    Part Number : 555-15020
    $1870$19.99
    You Save$1.29
    Gasoline Extensions 1/4"-32

    JEGS

    Gasoline Extensions 1/4"-32

    Part Number : 555-15024
    $599$6.49
    You Save$0.50
    Regulator Mount with Hard Line Kit For 4150-Style Carburetors

    JEGS

    Regulator Mount with Hard Line Kit For 4150-Style Carburetors

    Part Number : 555-15081
    $8899$97.99
    You Save$9.00
    Clear-View Sight Plugs For Holley Carburetor Fuel Bowls

    JEGS

    Clear-View Sight Plugs For Holley Carburetor Fuel Bowls

    Part Number : 555-15214
    $1199$12.99
    You Save$1.00
    Aluminum Carb Linkage Bushing 1/4"-28 Threaded

    JEGS

    Aluminum Carb Linkage Bushing 1/4"-28 Threaded

    Part Number : 555-15219
    $1559$16.99
    You Save$1.40
    Carburetor Cap Holley, AFB, Quadrajet

    JEGS

    Carburetor Cap Holley, AFB, Quadrajet

    Part Number : 555-15221
    $1559$16.99
    You Save$1.40
    Billet Aluminum Regulator Bracket 4150/4160

    JEGS

    Billet Aluminum Regulator Bracket 4150/4160

    Part Number : 555-15281
    $4599
    Carburetor Spacer Phenolic 4150 4-Hole

    JEGS

    Carburetor Spacer Phenolic 4150 4-Hole

    Part Number : 555-15421
    $4118$43.99
    You Save$2.81
    Carburetor Work Stand 4150 Square Flange

    JEGS

    Carburetor Work Stand 4150 Square Flange

    Part Number : 555-15836
    $4299$47.99
    You Save$5.00
    Carburetor Work Stand 4500 Dominator Flange

    JEGS

    Carburetor Work Stand 4500 Dominator Flange

    Part Number : 555-15837
    $5099$54.99
    You Save$4.00
    Air Cleaner with Smooth Top 14 in. x 2 in. [Chrome-Plated]

    JEGS

    Air Cleaner with Smooth Top 14 in. x 2 in. [Chrome-Plated]

    Part Number : 555-50000
    $5299$57.19
    You Save$4.20
    Fuel Filter Red 3/8" Hose Barb

    JAZ PRODUCTS

    Fuel Filter Red 3/8" Hose Barb

    Part Number : 547-836-001-06
    $6099
    Fuel Filter Blue 3/8" Hose Barb

    JAZ PRODUCTS

    Fuel Filter Blue 3/8" Hose Barb

    Part Number : 547-836-001-11
    $4499
    Some parts are not legal for use in California or other states with similar laws / regulations
    p65 warning
    Your Cart

    Your shopping cart is empty!