Holley 4160 Series Classic 750 Polished CFM 4-Barrel Manual Choke Carburetor

Upgrade your street or hot rod build with this 4-barrel carburetor (0-3310S). The 4160 Series delivers proven performance, strong airflow, and dependable drivability for stock to mildly modified gasoline engines. With 750 CFM of airflow and vacuum-operated secondaries, this carburetor automatically adjusts secondary engagement based on vehicle weight, gearing, and load for smooth power delivery. The manual choke allows precise control during cold starts.

Features and Benefits:
- 750 CFM 4-barrel carburetor
- Manual choke for cold start control
- Vacuum secondaries for smooth power delivery
- Dual-feed fuel inlets for consistent fuel supply
- Lightweight aluminum construction
- Vibratory polished aluminum finish
- Square bore mounting flange
- Power valve blow out protection
- Wet flow tested from the factory

Specifications:
- Carburetor series: 4160
- Secondary type: vacuum
- Fuel type: gasoline
- Fuel Inlet: dual feed
- Flange type: square bore (4150)
- Body material: aluminum
- Finish: vibratory polisher/shiny
- Primary main jet: 72
- Primary power valve: 6.5
- Throttle bore diameter: 1.688”
- Supercharged applications: not recommended

Vehicle Fitment:
- 1964-1972 Chevy Chevelle/El Caminos
- 1967-1973 Chevy Camaros
- Universal fit for stock to mildly modified gasoline engines
- Compatible with GM, Ford, and Chrysler automatic kickdown linkages (additional parts may be required)
- Designed for square bore 4150-style intake manifolds

Please Note: This carburetor is intended for use on uncontrolled (non‑emissions controlled) vehicles only. It is not legal for use on emissions‑controlled vehicles. Always verify engine compatibility, intake flange type, fuel pressure (recommended 3-6 PSI), electrical connections for the electric choke, throttle linkage, and hood clearance before ordering or installation.