Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA Pro-Stock champion for four decades. Now, Holley EFI products power these cars and are dominating the performance world. Holley products for GM's popular LS engine are dominating the LS scene as well. Holley's products also include performance fuel pumps, intake manifolds and engine dress-up products for street performance, race and marine applications. As a single solution or partnered with products from other Holley companies we can give you the edge you need over the competition!
| Download Name | File Size |
| Warranty_Policy.pdf | 14.65KB |
| 199r10766.pdf | 781.28KB |
| Barrel | Four |
| Barrels | 4 |
| Billet Color | Hard Core Gray with Black |
| Booster | Down Leg |
| Booster Type | Down Leg |
| Carburetor Type | 4150 |
| Carburetor Use | Professional Race |
| CFM | 750 |
| Choke | None |
| Circuit | 2 |
| Condition | NEW |
| Emission | Without EGR |
| Emission Code | 3 |
| Finish | Hard Core Gray |
| Flange | Square Bore |
| Fuel | Gasoline |
| Fuel Inlet | Dual |
| Fuel Type | Gasoline |
| Marine Use | No |
| Material | Aluminum |
| Model | 4150 |
| Part Type | Carburetor |
| Primary Main Jet | 78 |
| Primary Power Valve | 6.5 |
| Primary Pump Nozzle Size | 32 |
| Secondaries | Mechanical |
| Secondary Main Jet | 86 |
| Secondary Pump Nozzle Size | 32 |
| Secondary Type | Mechanical |
| Supercharged Application | No |
| Throttle Bore | 1.688 in. |
| Type | Automotive |
| Usage | Racing |
| Venturii Size | 1.376 in. |
| WARNING CA Proposition 65 | WARNING: Cancer and Reproductive Harm |
