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

 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!!

 

 

   
over 1475 HP on 91 Octane Unl. Fuel
PRICE $96,900.00
Sonny's Ultimate 5.3 Bore Space EFI Naturally Aspirated 860 cu. in.  Marine Engine - Sonny's Racing Engines & Components
Click image to enlarge
Sonny's Ultimate 5.3 Bore Space EFI Naturally Aspirated 860 cu. in.  Marine Engine - Sonny's Racing Engines & Components
Click image to enlarge
Pictures may show optional equipment
The Ultimate in Naturally Aspirated Marine Performance
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