ProSea Airboat LZS560 Engine
Whether by land or sea, the ProSea LZS560 pushes you further. The LZS560 is our most popular LS-based engine. It's custom ground camshaft, matched with dual spring valve srings, offers an impressive 560 horsepower for your weekend "fishing" boat. Our ProSea LZS560 out performs most big blocks with two-thirds the weight.
Each Southern Performance System’s ProSea Airboat Engine Package includes all of the engine essentials for your dream airboat. Performance Airboat packages include engine, Starter, Custom-built airboat engine wire harness, electronic accelerator pedal, mass air-flow meter, engine control module, water pump, balancer, and alternator. All harnesses are user friendly with instructions.
Our ProSea engines have become a popular choice within the airboat industry.
Airboat LZS560 Includes:
New LZS560 Crate Engine:
LS3 Engine Block - LS3 Intake - LS3 Drive-by-Wire Throttle Body - LS3 Injectors - Billet Fuel Rail w/Regulator - LS3 Performance Heads - Comp Cams High Performance Camshaft - LS3 Hydraulic Roller Lifters - Dual Coil Valve Springs - GM Hypereutectic Pistons - GM Powder Metal Rods - GM LS3 Crankshaft - Corvette Factory Ignition Coils - Ignition Coil Harnesses - Spark Plugs - Spark Plug Wires - Starter - Air Filter and Tube
Airboat Serpentine Kit:
Alternator - Tensioner - Balancer - Water Pump
Airboat Oil Pan Kit:
6 or 8.5 quart Oil Pan - Oil Pickup Tube - Deflector/Windage Shield - Engine Oil - Oil Filter
GM E38 Based Engine Management System:
Main Engine Harness - Diagnostic Plug w/Check Engine Light - Fan Relay - Fuel Pump Relay and Wire - Fuse Block for Circuit Protection - Tachometer Hookup - ECM with Custom Programming - Airboat Electronic Pedal Assembly - Mass Air Flow Sensor - Oxygen Sensors
Optional Holley Engine Management System:
Main Engine Harness - Terminator ECU (Programmed) - Wide Band Oxygen Sensor - Intake Air Temp Sensor Diagnostic Lights - Tachometer Hookup
MarineMods Gateway:
Includes MarineMod.us CAN-2CAN Gateway protocol translator for powertrain compenents. This gateway translates programming languages from GMLAN and Holley EFI data to NEMA2k marine gauges.
Standard Sensors:
Map Sensor - Crank Sensor - Cam Sensor - Oil Pressure Sensor - Knock Sensors - Water Temperature Sensor
560 Horse Power
*Price Subject to Change.
**Images displayed on this page are general representations and delivered items may feature changes based on availability.
Engine Specs
| Engine Type: | LS-Series Gen IV V8 |
| Block: | Cast Aluminum with 6-bolt, cross-bolted main caps |
| Displacement (cubic inches): | 376ci (6.2L) |
| Bore x Stroke (inches): | 4.065 x 3.622 |
| Crankshaft: | GM Nodular Iron |
| Rods: | GM Powdered Metal |
| Pistons: | GM Hypereutectic Aluminum |
| Camshaft | Comp Cams - Hydraulic - 3-bolt Style |
| Valve Lift (in): | .623 Intake .633 Exhaust |
| Camshaft Duration (@.050): | 231 Deg Intake 249 Deg Exhaust |
| Cylinder Heads: | Aluminum LS3/L92-style port, as-cast w/68cc chambers |
| Compression Ratio: | 10.7:1 |
| Valve Size (inches): | 2.165 Intake - Hollow Stem 1.590 Exhaust - Sodium Filled |
| Valve Springs | Comp Cams Dual Springs - Max Lift .675 - 500lbs/in |
| Push Rods: | Comp Cams Hi-tech .105 Wall |
| Rocker Arm Ratio: | 1.7:1 |
| Oil Pump: | GM Factory |
| Reluctor Wheel: | 58 tooth |
| Throttle Body: | 92mm - Drive by Wire |
| Injector Size: | EV6 42# @58psi |
| Main Bearings: | GM Factory |
| Rod Bearings: | Gm Factory |
| Cam Bearings: | GM Factory |
| Head Gaskets: | Gm Factory |
| Head Bolts: | ARP Head Bolts |
| Main Bolts: | ARP Main Studs |
| Rod Bolts: | ARP 2000 Rod Bolts |
| Pedal | Livorsi Electronic Pedal |
| Serpentine Belt Drive: | GM Factory Brackets - Alternator Only Style |
