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- Intake Manifold - Restrictor Plate
- FR9
- Single Plane (4150 Flange)
- 6000-9500 RPM
- Used for NASCAR Restrictor Plate & Open Sprint Cup Events
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
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Developed specifically for NASCAR Sprint Cup events, the FR9 intake manifolds are designed to produce unyielding performance throughout every lap of your race. Available in both restrictor and non-restrictor plate models, these intakes are ready to run you to victory at any circle track!
Features
- Intake Manifold for FR9 Engine Block M-6010-R500
- For use with M-6049-E1 heads
- A356-T6 aluminum casting
- Plenum and runner interiors are as-cast
- Open plenum design
- Intended operating range is 6000-9500 rpm
- Approved for NASCAR open Sprint Cup events
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Required Components
- Cylinder head: M-6049-E1 Recommended Use
- Approved for the NASCAR Sprint Cup Series
- Circle track competition Builder Notes
- Intake manifold plenum and runners require porting before use
- The FR9 engine is unique and does not share any components with previous 351 Windsor or Cleveland based engines
- For FR9 engine related components, contact Roush Yates Performance Parts, phone 704-662-6982


