632 Chevy Marine Long Block
When you need nothing short of extreme power for your boat, the 632 Big Block Chevy Marine engine is the hot ticket. With hundreds of hours in development under our belt, Prestige Motorsports has turned the prop on the airboat market in a powerful way. This engine has to be experienced in order to appreciate the optimized torque curve.
Fuel Type
Max RPM
Idle Quality
Best Use
| Horsepower: | 750 |
|---|---|
| Torque: | 825 |
| Bore/Stroke: | 4.600 x 4.750 |
| Compression: | 10:1 |
| Fuel Type: | 91+ AKI (USA) / 95-98 RON |
| Block: | Aftermarket 10.2 Deck, Iron |
| Crankshaft: | 4340 Forged Steel |
| Rods: | H-Beam, 4340 Forged Steel |
| Pistons: | 2618 Forged Aluminum 3cc Valve Relief |
| Bearings: | Clevite H-Series Coated |
| Camshaft: | Hydraulic Roller |
|---|---|
| Heads: | Aluminum, CNC Rect 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 |
| Power Adder: | N/A |
| Fuel Delivery: | Not Included |
| Ignition: | Not Included |
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.
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.
Comparable Engines
| Product: | Current: 632 Chevy Marine Long Block | 582 Marine Engine | 489 Marine Engine |
|---|---|---|---|
| Horsepower: | 750 | 650 | 550 |
| Torque: | 825 | 725 | 575 |
| Best Use: | Airboat | Airboat | Airboat |
| Max RPM: | 6,000 | 6,000 | 6,000 |
| Idle Quality: | Lopey | Lopey | Lopey |
| Bore/Stroke: | 4.600 x 4.750 | 4.600 x 4.375 | 4.280 x 4.250 |
| Block: | Aftermarket 10.2 Deck, Iron | Aftermarket 9.8 Deck, Iron | OEM 454, Gen V/VI |
| Crankshaft: | 4340 Forged Steel | 4340 Forged Steel | 4340 Forged Steel |
| Rods: | H-Beam, 4340 Forged Steel | H-Beam, 4340 Forged Steel | 4340 Forged H-Beam |
| Pistons: | 2618 Forged Aluminum 3cc Valve Relief | 2618 Forged Aluminum 10cc dome | 4032 Forged Aluminum 18cc dome |
| Oil Pan: | Marine | Marine | Marine |
| Camshaft: | Hydraulic Roller | Hydraulic Roller | Hydraulic Roller |
| Heads: | Aluminum, CNC Rect Port | Aluminum, As-Cast Rect Port | Aluminum, As-Cast Rect Port |
| Intake: | Not Included | Not Included | Not Included |
| Price: | $16,999 | Starting at $13,999 | Starting at $9,999 |
Upgrades & Add-ons
Ready to upgrade your project? Add a kit from each area below to convert your base engine into a turn-key package. Kits come installed and dyno tested with your engine. Please note that not all of the options listed below are available for every engine. Contact us for more details.
Fuel Supply
Don’t waste time and frustration on that old carburetor. Fuel your engine with a dyno tested system for proven performance.
Quick Fuel Marine 1050
Starting at $1,265.95Quick Fuel Marine 850
Starting at $686.95Holley Gen 3 Ultra Dominator
Starting at $1,231.95Quick Fuel SS-830
Starting at $637.95Quick Fuel Q-1050
Starting at $949.95Holley Terminator EFI
Starting at $2,295.95Holley Multi-Point EFI
Contact for OptionsBorla Stack Injection
Contact for Options
Ignition System
You'll need a top-notch ignition system for trouble-free performance. Let us customize one for you with everything needed to keep the spark alive.
MSD Pro Billet System
Starting at $859.95
Pulley Kits & Accessories
Pulleys drive vital components. Let us install a high-quality kit that keeps your engine running and provides max clearance for cooling systems. Available in multiple finishes!
Alternator Only, Black
Starting at $1,224.95Alternator Only, Polished
Starting at $1,224.95Alternator Only
Starting at $750.00Ultra Drive Black: Alt, PS, AC
Starting at $2,300.00Ultra Drive Polished: Alt, PS, AC
Starting at $2,300.00
