Noonan 4.9" Bore Space - NHRA & Extreme Promod

We call it the Ultimate revolution of the Billet Hemi Engine Evolution.  Laying down a jaw dropping world recording setting number on it’s first ever quarter mile pass, we’ll let the actions of the Noonan 4.9” powerplant showcase it's capability. Designed specifically for the NHRA and Extreme Promod categories, this engine innovation was simply designed and engineered with our ethos at core – Putting racers 1st.


  • Noonan 4.9" Billet Hemi Engine Block.
  • GRP Rods
  • Trend Wristpins
  • Clevite Coated Bearings
  • Jesel Lifters
  • Dan Olson Oil Pan 
  • Noonan 4.9" Cylinder Heads
  • PSI Springs
  • Noonan Billet Valve Covers
  • RCD Mag Drive
  • Noonan Idler Assembly
  • MSD Leads
  • MSD Pro Mag 44
  • Bryant Racing Crankshaft
  • CP Pistons
  • Total Seal Ring Pack
  • Custom Bullet Camshaft
  • Barnes Oil Pump 
  • Noonan Billet Manifold (Roots, Screw or Turbo)
  • Manley Valves
  • Reid or T&D Rockers
  • Noonan Front Cover / Gear Drive Assembly
  • RCD Fuel Pump Extension