Holley's Double Pumper® carburetors represent the ideal performance enhancement for high-performance street cars and race vehicles. As an American icon in the realm of performance carburetors, the Double Pumper boasts a rich history—from its origins as the premier carburetor on numerous factory muscle cars to propelling a multitude of vehicles triumphantly across the finish line. Whether you're tearing up the streets or conquering the quarter mile, the Double Pumper stands out as an excellent choice.
Tailored for lightweight vehicles equipped with either a manual transmission or an automatic transmission featuring a high stall and low rear-end gears, the Double Pumper is presented in either a gold dichromate or a tumble-polished shiny finish. Key features include dual accelerator pumps for extra fuel during initial acceleration, mechanical secondaries for exceptional performance, dual-feed fuel inlets ensuring continuous high-volume fuel delivery, and a manual choke for easy control during engine warm-up.
When it comes to entrusting your vehicle's performance, trust the best—Holley, the modular carburetor company with a century-long legacy. Having powered every NASCAR champion since the 60s, Holley remains a pioneer in the industry.
Features:
- Gold Dichromate finish for corrosion resistance and classic Holley aesthetics
- Out-of-the-box optimized street/strip calibration
- Manual choke (Cable driven, hand operated) for precise cold start control
- Mechanical secondaries for impressive tire-turning performance
- Dual accelerator pumps for extra fuel during initial acceleration
- Dual-feed fuel inlets for continuous high-volume fuel delivery
- Designed for lightweight vehicles with a manual transmission or automatics with high stall & low gearing
- 100% wet-flow tested by Holley technicians to ensure it arrives ready to run!
Specifications:
- Barrels: 4
- Booster: Straight
- Brand: Holley
- Carburetor Use: Performance and Race
- CFM: 650
- Choke: Manual
- Condition: New
- Emission Code: 3
- Finish: Gold Dichromate
- Fuel: Gasoline
- Fuel Inlet: Dual
- Marine Use: No
- Material: Aluminum
- Model: 4150
- Primary Main Jet: 67
- Primary Power Valve: 6.5
- Primary Pump Nozzle Size: 28
- Product Type: Carburetor
- Secondaries: Mechanical
- Secondary Main Jet: 73
- Secondary Pump Nozzle Size: 28
- Supercharged Application: No
- Throttle Bore: 1.688 inch
- Vacuum Ports: 1 timed (spark) port, 1 full, and 1 PCV port
- Warranty: Limited 90 Day
- Local Pickup Available:
- No
- Local Delivery Available:
- No
- Additional Handling:
- No
