583ci Super Series-12º

583 12-2
583 12-1
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1,195 Hp/ 890 Ft.Lbs.

4.600″ Bore/ 4.375″ Stroke





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Product Description

The RMRE Super Series 583 features 12° Reher-Morrison Raptor heads. Reher-Morrison Raptor heads bring Pro Stock technology and design to Sportsman racing and contribute to this engine generating a tremendous 1,195 horsepower and 890 ft/lbs of torque.

NOTE: Tests were performed with NON-OXYGENATED fuel. The use of OXYGENATED fuels (Example: VP113 or Q16) may produce a power increase, but will require a tuning change, including increase in jet size, for optimum performance.

Download PDF: 12° 583ci Engine Specifications Details

Engine Features

  • Dart “Big M” Cast Iron Block
  • RMRE Exclusive Design 12° Raptor Heads
  • RMRE/Manley Titanium Intake & Exhaust Valves
  • Manley 10° Titanium Valve Spring Retainers
  • RMRE CNC Installed Bronze Lifter Bore Sleeves
  • 4340 Forged Steel Internal Balanced Crankshaft
  • 4340 Manley H-Beam Rods w/ARP 2000 Bolts
  • RMRE Spec Pistons
  • RMRE Spec Ring Sets
  • Clevitte 77 “H” Series Performance Rod/Main Bearings
  • RMRE Spec Steel Billet 7/4 Swap F.O. Roller Camshaft
  • .904″ Isky Red Zone “Centered” Roller Lifters
  • Jesel Belt Drive Timing System
  • MSD Crank Trigger Ignition System
  • RMRE Vacuum Pump Assembly
  • ATI Internal Harmonic Damper
  • RMRE Logo Valve Covers Sheetmetal/Billet Rail
  • RMRE/Moroso Wet Sump Oiling System w/Billet Oil Pump
  • RMRE Spec Single 4 Barrel Carburetor 1150cfm
  • RMRE CNC Anti-Reversion Plate w/Matching Spacer
  • T&D Shaft Mounted Aluminum Roller Rocker Arms 1.75/1.70

$495 Shipping to Addresses in the Continental U.S. (48 States). Residential, Out-Of Area (Extended or Remote), or Lift Gate Service, will incur Additional Charges.