Sonny's 680 Performance Boat Engine

Sonny's 680 cu. in Marine/ Jet Boat Engine
(Pictures may show optional equipment. Click to enlarge.)
Makes over 1325 HP


This 680 cu. in marine engine is ultra lightweight, and makes over 1325 HP and over 1000ft. lbs torque with (1) 2100 CFM 4bbl carb

works great for jet boat applications also!!

Price: $59,750.00
✷ Call 434-239-1009 or Contact Us


  • Sonny’s 5.000 bore spacing symmetrical port cylinder heads with titanium valves, Sonny’s shaft mounted roller rocker arms with one piece rocker bar for rigidity, lightweight aluminum block, Bryant billet crankshaft, Carrillo steel billet rods, five stage dry sump oiling system, Single 4 bbl manifold, SAR/ BLP 2100 CFM carb. Fuel regulator, Sonny’s 60mm billet camshaft, Sonny’s/ Isky 1.062 keyed lifters, MSD cranktrigger


    Big Stuff EFI with 3500 CFM throttle body $3,500.00
    Dailey billet oil pan and pump (save 14lbs) $3,500.00
    Mechanical Fuel pump $1,250.00
    Lightweight Composite manifold (save 20lbs) $1,800.00
    For questions or additional information, call 434-239-1009 or Contact Us