Sonny's Ultimate 5.3 Bore Space EFI Naturally Aspirated 860 cu. in. Marine Engine

The Ultimate in Naturally Aspirated Marine Performance
(Pictures may show optional equipment. Click to enlarge.)
over 1475 HP on 91 Octane Unl. Fuel

Description

 This is the Ultimate Naturally Aspirated Marine Engine,5.3 Bore Spacing, 5.045 Bore X 5.375 Stroke, Hemispherical Cylinder Heads, 860 cubic inches, making over 1475 HP @ 6700 RPM, and 1160 ft. lbs torque @ 5600 RPM,  Featuring Big Stuff 3 Electronic Fuel Injection. Runs On 91 Octane Unl Fuel!!!

**** Sonny's also offers a 1675 HP version of this engine, running race gasoline, call for more info!!

 

 

   
Price: $96,900.00
✷ Call 434-239-1009 or Contact Us

Features

  • Sonny's in-house fully CNC ported "Next Generation" Hemispherical cylinder heads
  • SAR special Billet aluminum 5.300 B.S. water block with 2.000" raised cam
  • Bryant billet crankshaft
  • Carrillo Steel Billet rods
  • BME Endurance pistons
  • Isky/ Sonny's 1.062 EZ MAX keyed lifters
  • 1.031 tool steel taper-wall pins
  • Total Seal rings
  • Manley valves & PSI springs
  • SAR shaft mounted rocker system with needle bearing roller tips
  • Jesel belt drive
  • Moroso 5-stage dry sump oiling
  • ATI balancer
  • MSD cranktrigger
  • SAR sheetmetal 2x4 intake w/linkage
  • Sonny's/ Accufab 2x4 2.750 Throttle Bodies
  • Big Stuff EFI with 8 injectors and run map
  • Sonny's Billet valve covers
  • hi-flow mechanical water pump
  • MSD Pro Series starter
  • Fuel lines with EFI regulator
  • 12 or 16 volt alternator
  • Engine is maranized
  • Complete and Dyno Tested
  • *** Also Available in Kit Form !!

Options

Engine to utilize 113 octane racing gas, more compression, camshaft, injectors, 1675 HP @ 6900 RPM $2,300.00
For questions or additional information, call 434-239-1009 or Contact Us