Holley Double Pumper Carburetor

Holley Double Pumper Carburetor

The Holley Double Pumper® Carburetor is one of the most recognized performance carburetors in motorsports and street performance. Designed for lightweight vehicles equipped with a manual transmission or automatic transmission with a high-stall converter and aggressive rear gearing, the Double Pumper delivers instant throttle response and maximum performance on both the street and track.

Featuring mechanical secondaries, dual accelerator pumps, and dual-feed fuel inlets, the Double Pumper provides the fuel delivery needed for hard launches and rapid acceleration. Each carburetor is 100% wet-flow tested by Holley technicians to ensure it arrives ready to run right out of the box.

Key Features

• Optimized street/strip calibration for out-of-the-box performance
• Mechanical secondaries for maximum throttle response
• Dual accelerator pumps provide additional fuel during hard acceleration
• Dual-feed fuel inlets for consistent high-volume fuel delivery
• 4-corner idle system for precise idle adjustment
• Manual choke for complete cold-start control
• Available in shiny polished or gold dichromate finishes
• 100% wet-flow tested before leaving the factory

Ideal Applications

• Street and strip performance vehicles
• Lightweight muscle cars and hot rods
• Manual transmission applications
• Automatic transmissions with high-stall converters and low rear-end gearing

Why Choose a Double Pumper?

From factory muscle cars to championship-winning race vehicles, the Holley Double Pumper has built its reputation on proven performance. With over 100 years of carburetor expertise, Holley continues to deliver the throttle response, reliability, and power enthusiasts demand.

Note: Proper carburetor sizing and calibration should be selected based on engine displacement, vehicle weight, gearing, and intended use.