Product Details
- Holley Classic HP 4150 Race Carburetor is built for competitive square-bore applications, offering track-focused performance backed by decades of racing development
- Offered in a range of airflow capacities to accommodate everything from smaller displacement engines to high-output race builds
- Incorporates a radiused venturi entry and high-capacity metering blocks to promote efficient airflow and improved power production
- Equipped with replaceable air bleeds, four-corner idle adjustment, and progressive secondary actuation for accurate, fine-tuned calibration
- Features Dominator-style fuel bowls, dual accelerator pumps, and dual-feed fuel inlets to maintain consistent fuel supply during aggressive launches
- Constructed with stainless throttle plates, notched floats, jet extensions, and a corrosion-resistant gold dichromate finish; wet-flow tested and intended for gasoline applications
- Covered by a 90-Day Warranty
When the tree drops and every fraction of a second counts, throttle response and repeatable power can make the difference between winning and loading up early. For generations, racers at tracks nationwide have relied on proven carburetor technology to deliver consistent results under demanding conditions. That heritage continues with the Holley Classic HP 4150 Race Carburetor.
Engineered as a square bore performance carburetor, the Classic HP 4150 is built to provide competition ready capability straight from the box. Offered in multiple airflow ratings to accommodate a wide range of engine combinations, it incorporates a radiused venturi entry to promote smoother airflow and improved power potential. Replaceable screw in air bleeds allow detailed tuning adjustments, while high capacity metering blocks and Dominator style fuel bowls support flexible fuel line routing from either side. Dual accelerator pumps and dual feed inlets help maintain strong fuel delivery during aggressive launches. Additional race focused features include four corner idle adjustment, progressive secondary operation, stainless throttle plates, notched floats, and jet extensions for enhanced fuel control. Finished in a corrosion resistant gold dichromate coating, each unit is calibrated for gasoline use and wet flow tested prior to packaging.
Designed for serious competition, this carburetor offers the airflow capability, adjustability, and durability demanded by experienced tuners and racers. It reflects a long standing commitment to performance across a variety of motorsports applications. Backed by a 90-Day Warranty.
