489 CHEVY MARINE LONG BLOCK
$11,999
Our 489 Big Block Marine Engine is an affordable step up from a basic Chevy crate engine. The 454 based stroker engine is designed to provide maximum torque from 2,500 to 5,550 RPM, right where you need it on a boat. Get on plane quicker in the water or blow over dry land easier on your airboat.
Horsepower:550
Torque:575
Bore/Stroke:4.280 x 4.250
Compression:10:1
Fuel Type:91+ AKI (USA) / 95-98 RON
Block:OEM 454, Gen V/VI
Crankshaft:4340 Forged
Rods:H-Beam, 4340 Forged Steel
Pistons:4032 Forged Aluminum 18cc dome
Bearings:Clevite H-Series Coated
Camshaft:Hydraulic Roller
Heads:Aluminum, As-Cast Oval Port
Valves:Ferrea Super Alloy Exhaust, 6000 Series Intake
Rocker Arms:Billet Aluminum, Full Roller, Girdled
Intake:Not Included
Oil Pan:Marine
Valve Covers:Polished Aluminum, Dual Breathers
DYNO TESTING
Here at Prestige Motorsports, our “Dyno Promise” means that we dyno test every engine we build to verify the quality of our work, the integrity of each component, and the reliability of every engine we construct. Then, we deliver the dyno results for your project directly to you, the customer.
Engines will produce +/- 2% of advertised power at the flywheel. Advertised power levels are achieved using an electric water pump and specific induction and exhaust systems. Power will vary after pulley systems are installed or if changes are made to the induction or exhaust system (e.g. camshaft, cylinder head, compression, intake manifold, exhaust headers, air filters, etc.). Chassis dyno results measure power at the wheels and only calculate flywheel horsepower. Wheel horsepower is affected by a variety of vehicle-specific criteria including driveline design, body and chassis flex, air intake location, etc. Therefore, calculating flywheel horsepower from wheel horsepower is not an accurate representation of actual flywheel horsepower.
WARRANTY
This Prestige Motorsports engine is built to order and comes with a 3-year, unlimited miles warranty. Our warranty covers the base engine from intake manifold to oil pan.