Racing Head Service Dominator Flange EFI Single Plane Intake w/ Fuel Rails for Chevrolet Big Block RHS-11903-KIT

These manifolds are designed for maximum airflow and power with a 4500 Dominator-style carburetor flange. Engineered to fit most 24-degree style race cylinder heads, RHS took additional efforts to ensure excellent port matching when paired with RHS Big Block Chevrolet cylinder heads. These manifolds are available in both carb and EFI versions and offer excellent performance for drag racing and marine applications. Featuring a single-plane design, they utilize individual runner dividers for excellent throttle response and exceptional torque. Available for both short and tall deck blocks, all versions utilize a standard BBC distributor – there is no need for a slip collar distributor or special distributor for tall deck engines. They feature auxiliary water ports, an integral water crossover and dual distributor hold-down pads. Ports for water lines are also provided at all four corners. RHS also teamed up with sister brand FAST to create a revolutionary EFI version of the manifold that features port angle optimized injector bung mounting and machining, which angles the injectors to point directly at the valve. In addition, the EFI manifolds feature integral sensor mounting points to improving function, fitment and packaging.

Attributes:

• GTIN: 00036584398059
• Brand Name: Racing Head Service (RHS)
• Basic Operating RPM Range: 3000-8000
• Bolt Centerline to Port Floor: 1.15
• Bolt Hole Centerline to Port Roof: 1.34
• Carb Angle: 0
• Carb Height: 7.46
• Carburetor Mounting Pattern: 4500/Dominator
• Center Maximum Height: 7.46
• CNC Ported: No
• Color: Natural
• EGR?: No
• Finish: Natural
• Front Maximum Height: 2.81
• Fuel Rail End Type: -8 AN Female O-Ring
• Gasket Or Seal Included: No
• Grade Type: Performance
• Includes Fuel Rails?: Yes
• Injectors Included?: No
• Intake Port Height: 2.49
• Intake Port Width: 1.71
• Long Fuel Rail Stand Injector Compatibility: EV1 Style
• Long Fuel Rail Stand Length: 2.48
• Material: Aluminum
• Mounting Hole Diameter: 7/16 Slotted
• Mounting Hole Quantity: 12
• Multiport EFI Ready?: Yes
• Nitrous Bosses?: No
• Plenum Volume (including Runners): 268
• Rear Maximum Height: 2.36
• Short Fuel Rail Stand Injector Compatibility: LS3 Style
• Short Fuel Rail Stand Length: 1.4
• Single Or Dual Plane Type: Single
• Throttle Body Included?: No

Extended Information:

• Country of Origin: United States
• Emissions : Released
• Life Cycle Status: Available To Order

Packing Information:

• Quantity of Each: 1
• Package UOM: EA
• Dimension: 27.75 x 16.5 x 9.75 inches
• Weight: 25 lb