Flagship Airboat & Marine Motors

62383 - 383 Stroker - 6.2 Litre (383 CID)
340 hp @ 4500 RPM / 435 lb-ft @ 4000 RPM

This 1 piece seal specially tuned 383 CID delivers great
torque in a small package. With its 3/8” stroke and 9.1 to1
compression Ratio, Vortec cylinder heads, 7 Qt Marine
Oil Pan, Marine Bi-directional Water Pump. This 383 makes
awesome power.
No - Intake or Flywheel
Great for Airboats and Pulling Skiers
57350RJ - 5.7 Litre (350 CID)
350 hp @ 5200 RPM / 400 lb-ft @ 3500 RPM

Update your boat with this multiport fuel injected performance
motor at an affordable price. 1 piece seal, 9.4 to
1 compression ratio, & Vortec cylinder heads give the added performance at the turn of a key.
No - Flywheel or Water Pump
74425G6 - 7.4 Litre (454 CID)
425 hp @ 5250 RPM / 500 lb-ft @ 3250 RPM

Upgrade your tired 7.4L with this powerhouse.
1 piece seal, 4 bolt main, Rectangular port 8.75 to 1 compression ratio cyl heads, Marine hyd. roller cam. Marine 8 QT Oil Pan. Must use an Electric fuel pump.
No - Intake, Flywheel or Water Pump
82450G6 - (502 CID) 8.2 Litre
450 hp @ 5250 RPM / 550 lb-ft @ 3500 RPM

1 piece seal, 4 bolt main, rectangular port cyl heads,
8.75 to1 compression ratio, Marine hyd. roller cam.
Marine 8 QT Oil Pan. Must use an electric fuel pump.
No - Intake, Flywheel or Water Pump
A10029 - ZZ454 Aluminum Cylinder Head
440 hp @ 5500 RPM - 500 lb-ft @ 3250 RPM

9.6:1 Compression ratio, Aluminum cylinder heads,
510/540 Hydraulic roller camshaft, 2.19 intake
valve, 1.88 exhaust valve, Forged crankshaft,
connecting rods, pistons, 4 bolt main block, Intake,
Marine Bi-directional Waterpump, Dampner and
Flexplate. 92 octane friendly.
 

 

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