4.9 Noonan Hemi - Procharger
4.9 Noonan Hemi - Procharger
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ACE ProCharged 4.9 Noonan Billet Hemi – The Next Level Race Engine
Our ACE ProCharged 4.9 Noonan Billet Hemi engine is the ultimate combination for max-effort race cars competing in ProMod, Pro275, LDR, Radial vs. World (RvW), or No Time classes. Featuring an all newly design cylinder head specifically aimed at Procharger combinations in blower restricted class racing.
Redefining the Billet Hemi Block
The Noonan 4.9 is the next evolution of the billet Hemi engine, completely redesigned with racers and low-maintenance performance in mind.
Key improvements include:
- 
Optimized valvetrain geometry specifically for ProCharger combinations 
- 
Stronger cylinder head stud pattern and size 
- 
Raised cam design for durability 
- 
Reinforced main cap design 
Built for Serious Racers
The 4.9 Noonan block delivers:
- 
Maximum horsepower potential 
- 
Easier trackside serviceability 
Our ACE ProCharged 4.9 Noonan Billet Hemi Engine includes, but not limited to the following machining/blueprinting:
- Balancing
- CNC Block Machining
- CNC Sunnen SV-30 vertical hone with diamond stones
- Cylinders double torque plate diamond honed for correct piston to wall clearance and surface finish
Short Block Components:
- Noonan 4.9" Bore Space Hemi billet block
- Clevite Main Bearings
- Clevite Rod Bearings
- 70mm Cam Bearings
- Winberg or Callies Billet Crankshaft
- Billet Aluminum Rods
- Custom ROSS Racing Pistons
Long Block Components:
- Custom Camshaft 70mm
- Jesel 1.062 Keyway lifters
- Noonan Promod Hemi 4.9 cylinder heads - New ACE/Noonan ProCharger specific cylinder head port design
- Top Fuel Hoops
- ARP 5/8" Head Studs
- Copper Head Gaskets
- Titanium Intake valves
- Titanium Exhaust valves
- PSI Valve Springs
- Manton Push Rods
- Manton Billet Rocker Arms
- RCD Gear Drive
- ATI Damper
- RCD Timing Kit
- Oil Pump & Custom Oil Pan
- Noonan Billet Intake Manifold & Fuel Rails
- ARP Hardware
- Noonan/ACE Racing Engines Billet Valve Covers
We recommend FuelTech EFI engine management for this engine.
– Not for street use.


