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Your Crate Engine Experts!

*Engine Shown With Optional Upgrades

Gen III 392CI Hemi Stroker 650HP Crate Engine

$18,295.00

Proformance Unlimited offers a full line of Gen III Hemi based turn-key drop in ready crate engines designed for hot rods and muscle cars. Where new school performance meets old school looks. We have developed a complete line of fuel injected Late Model Hemi based power plants to fit almost everyone’s needs. If you don’t see something you want give us a call and we will design it for you. Our vision on these engines is to bring back the really cool looks from yesteryears engines with today’s reliability.

0.18874 0.18874
5.40088 5.40088
18309.83096 18309.83096
18295.00000 18295.00000
18266.05614 18266.05614
8060.71421 8060.71421

Engine Build Specifications:

  • Dodge Gen III Hemi 392CI 650HP Crate Engine:
  • Seasoned Gen 3 5.7L HEMI Block
  • Bored And Honed With Deck Plate
  • Mains Have Been Aligned
  • Block Has Been Square Decked
  • Dura Bond Cam Bearings Installed
  • Block Painted With 3 Coats Of High Temp Ceramic Engine Paint Choice Of Color
  • 4340 Forged Steel 4.050 Stroker Crankshaft (Eagle)
  • 4340 Bushed Connecting Rods (Eagle)
  • High Performance Forged Pistons (Mahle, Diamond, or DSS)
  • Performance Rod And Main Bearing (Clevite, or King)
  • Performance Rings Hand Filed To Match Application
  • The Complete Rotating Assembly Will Be Balanced
  • Custom Ground High Performance Street Camshaft
  • Three-piece True Double Roller Timing Set
  • Hydraulic Roller Lifters
  • Roller Lifter Retainer Tray
  • Performance Aluminum Cylinder Heads (Edelbrock, or AFR)
  • Performance Valve Springs And Retainers (to match camshaft)
  • Chrome Moly Push Rods
  • Shaft Mount Rocker Arms
  • Melling Oil Pump
  • Melling Oil Pick Up
  • Oil Pan (To Match Application)
  • Dipstick And Tube
  • Aluminum Timing Cover
  • Engine will Be Assembled With All New Bolts
  • ARP Head Bolts
  • Fel-Pro/Mahle Performance Gaskets
  • Harmonic Balancer
  • Valve Covers
  • Spark Plugs
  • Single Plane Intake Manifold (Holley)
  • 4BBL 4150 Style Throttle Body
  • Gen III Hemi Style Coil Packs
  • Calibrated ECU (Holley Terminator X)
  • Main ECM Engine Wiring Harness
  • Coil Pack Harness
  • Fuel Injector Harness
  • Wide Ban O2 Sensor
  • Intake Air Temperature Sensor
  • Crankshaft Position Sensor
  • Camshaft Position Sensor
  • Engine Coolant Temperature Sensor
  • Manifold Air Pressure Sensor
  • Oil And Filter
  • Fuel Injectors
  • Engines Will Be Photo Documented During The Building Process
  • Engine will be hot run tested
  • 2 Year Unlimited Millage Warranty
Request A Personalized Quote
0.18874 0.18874
5.40088 5.40088
18309.83096 18309.83096
18295.00000 18295.00000
18266.05614 18266.05614
8060.71421 8060.71421

Customize Your Hemi Crate Engine