Sonny's 820 cu. in. Hemispherical Headed EFI Marine Engine

Sonny's now offers a 5.3 Bore Space Hemispherical Headed EFI Marine Engine. 5.045 Bore X 5.125 Stroke,  The 820 Cu. In. Engine makes over 1420 HP Naturally Aspirated, and over 1100 ft. lbs torque @ 5600 RPM. Works great for poker runs, recreational boating. LIST PRICE $ 109,600.00

** Sonny's also offers a 2017  stage II Version which uses a billet intake manifold, front mounted throttle bodies ( as shown in picture on lower right), Billet oil pan with 5 stage billet oil pump, makes 1440 HP on 92 octane unl. fuel, LIST PRICE 112,900.00    *** SPECIAL $ 97,500.00

RUNS ON 91 OCTANE UNL FUEL
Complete and Dyno Tested
PRICE $94,600.00
Sonny's 820 cu. in. Hemispherical Headed EFI Marine  Engine - Sonny's Racing Engines & Components
Click image to enlarge
Sonny's 820 cu. in. Hemispherical Headed EFI Marine  Engine - Sonny's Racing Engines & Components
Click image to enlarge
Pictures may show optional equipment
This 820 cu. in. beauty is great for weekend boating!!
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
  • . Sonny's/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, call for details and pricing
For Questions or Additional Information Call 434-239-1009 or Contact Us