RoyalAir 4-Barrel Double Pumper Carburetor, Square Bore, Replacement For Holley Quick Fuel Brawler Diecast Street Series 650CFM Carburetor Mechanical Secondary BR-67255 (RB4150-650)
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Product details
| Management number | 211921974 | Release Date | 2026/04/06 | List Price | US$66.00 | Model Number | 211921974 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
Elevate your vehicle's performance with this high-performance 4-barrel double pumper 4150 BR-67255 650cfm carburetor. Designed as a direct replacement for Holley Double Pumper 4150 carburetors, this square bore carburetor features advanced Downleg Booster technology for superior fuel atomization and throttle response. The precision-engineered aluminum construction ensures durability while maintaining optimal weight characteristics. This drag race-ready carburetor comes complete with all necessary hardware, including mounting gaskets and fuel line connections. The double pumper design delivers additional fuel under hard acceleration, making it perfect for high-performance street and race applications. The kit includes essential components like fuel inlet fittings, a mounting gasket, and vacuum lines for a complete installation. The robust construction and precise calibration make this carburetor an excellent choice for serious performance enthusiasts looking to maximize their engine's potential.
- PERFORMANCE DESIGN: High-flow 4-barrel double pumper carburetor with square bore design and Downleg Booster for maximum power delivery
- COMPATIBILITY: Direct Replacement for Holley 4150 series double pumper 650cfm carburetors, Qicuk fuel BR-67255,BR67255 carburetor ensuring perfect fitment and reliable performance
- RACING FEATURES: Dual feed fuel inlets and mechanical secondary throttle plates optimize fuel delivery for high-performance applications
- COMPLETE KIT: Includes mounting gasket, fuel line connections, and all necessary hardware for hassle-free installation
- CONSTRUCTION: Precision-machined aluminum body with high-quality materials for consistent fuel atomization and reliable operation
| Fuel Type | Gasoline, Racing Fuel |
|---|---|
| Brand Name | RoyalAir |
| Flange Type | Square Bore |
| Manufacturer | Royalair |
| Model Number | BR-67255 |
| Exterior Finish | Polished Aluminum |
| Item Part Number | 4150dp |
| Included Components | Carburetor, Fuel Line Kit, Hardware Kit, Mounting Gasket |
| Item Dimensions D x W x H | 8"D x 10.5"W x 4.5"H |
| Specific Uses For Product | Drag Racing, Engine Fuel System, High Performance Racing |
| Compatible with Vehicle Type | Car, Hot Rods, Race Cars, Truck |
| Recommended Uses For Product | High Performance Racing, Street Performance |
| Manufacturer Warranty Description | 1year |
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