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383 MAG Stroker
350 Crankshaft Horsepower
Thanks to its size and power this is the ideal replacement engine for 350 MAG, 7.4L, and 7.4L MPI engines that power cruisers, small boats and large runabouts.
1-Year Factory Warranty
Available when purchased through any Mercury/MerCruiser authorized dealer
2 Additional Years of Coverage
Available from Mercury Product Protection
Read how an Australian team used a remanufactured 383 MAG Stroker sterndrive to turn a "rather tired" 34-year-old shaft-drive Mariner Pacer 760 into a "real Pacer" with "some serious grunt sitting in the hull." (Reprinted with permission from Trader Classifieds, a division of ACP Magazines, Ltd.)
Resources
- 383 MAG Stroker Installation Drawing
- 383 MAG Stroker Product Data Sheet
- Repowering Sterndrives & Inboard Engines with 2011 EPA Exhaust Emission Regulations
Specifications
| Part Number | 865108R80 |
|---|---|
| Horsepower @ flywheel | 350 |
| Kilowatts @ flywheel | 261 |
| Maximum RPM (WOT) | 4800-5200 |
| Cylinders | V-8 Remanufactured Iron Marine Block |
| Displacement (CID/L) | 383 / 6.3 |
| Bore & Stroke (in/mm) | 4.03 x 3.75in 102 x 95mm |
| Compression Ratio | 9.0:1 |
| Fuel / Ethanol Tolerance | 87 octane / up to 10% ethanol |
| Engine Control System | ECM 555 W/Knock Control & Crankshaft Trigger |
| Fuel Delivery System | GEN II Cool Fuel with Boost Pump |
| Fuel Injection System / Carburetor Type | Multi-point electronic fuel injection (MPI) |
| Induction System | Two-piece long runner intake with 75mm throttle body |
| Charging alternator amp | 65 |
| Charging alternator watt | 917 |
| Water drain system | Multi-point drain |
| Exhaust System | Electro-deposition paint coated warm iron manifold with dry joint elbow |
| Cooling System | 160F Raw Water Bravo with Sea Water Pump |
| Accessory Drive System | Serpentine belt |
| Lubrication System | High Flow 100 psi Oil Pump |
| Recommended Oil | Mercury MerCruiser Synthetic Blend 25W-40, NMMA FC-W rated |
| Pistons | Cast Hypereutectic Alloy |
| Cranktrain | Powder Metal Rods and Forged 4340 Steel Crankshaft |
| Rocker Arms | 1.6:1 Roller Tip Steel |
| Length (in/mm) | 32in / 814mm |
| Width (in/mm) | 30in / 740mm |
| Height (in/mm) | 22in / 559mm |
| Weight (lbs/kg) | 932lbs / 423kg |
| Features & Related Products | Analog Controls Analog Gauges Digital Gauges Full closed cooling (KIT) Hydraulic / Power steering MerCathode Remote Oil filter SmartCraft Digital Technology |
| Compatible Drives (Application Dependant - Contact Sales or Service) | Bravo One 1.50:1 Bravo One 1.65:1 Bravo Two 1.81:1 Bravo Two 2.00:1 Bravo Two 2.20:1 Bravo Two 2.43:1 Bravo Three 1.81:1 Bravo Three 2.00:1 Bravo Three 2.20:1 Bravo Three 2.43:1 |
