394 Mopar Polysphere Performance Street / Strip 500 HP


  • All engines are not created equally.  This combination is not your average run-of-the-mill bolt together package like you may find elsewhere for less money.  Gregg Hekimian, MIT Thermal Physicist and Mechanical Engineer, personally designs and assembles each engine to exact specifications, getting it right the first time.

    Hekimian Racing Engines does not substitute quality, reliability or power for cost.  Each engine undergoes rigorous quality control checks.  You get what you pay for.  Our engines are  built to last and to handle brute forces.

    Materials are treated in house with patented Real Vacuum Insulated Cryogenics and Military Coatings (Mil-Coat). These Technologies are not available anywhere else. 

  • Mopar Poly block, billet inner main caps, main girdle, bored, diamond honed, decked
  • Scat ultra lite 4340 forged crank, Internally Balanced
  • Molnar Narrow H-beam rods with A-symmetrical bolts
  • Hekimian custom 2618 forged pistons
  • Total Seal Gapless rings
  • King racing bearings
  • Hekimian CNC ported factory Iron heads, geometry changed
  • Custom T&D billet roller rocker shafts 1.6 ratio
  • Manley stainless valves
  • PAC racing springs
  • PAC super lite tool steel retainers
  • Milodon Oiling
  • Cloyes timing
  • Hekimian Custom Billet solid roller cam
  • Isky EZ MAX bushed roller lifters
  • Wind Tunnel dual plane intake
  • Quick Fuel 750 Carb
  • MSD ignition
  • ATI balancer
  • CVR Billet vac pump
  • Taylor 10.4mm wires
  • Complete In House Mil-Coat coating from Thermal Barriers, anti friction and low coefficient substrates


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