New 2023-PY Mercury 383-MAG MPI STROKER FWC Bravo (Plus-Series) Engine – $16,495.

383 MAG MPI Stroker Bravo (Plus-Series) Engine Only Fully Dressed NEW 2023-PY

NEW 383 MAG MPI Stroker FWC Engine Only 350-hp (Plus-Series) for Bravo Sterndrive PT# 8M0187361. Fresh Water Cooled (Close Cooling System).
Only by Quicksilver Products. 3-Year Mercury Marine Factory Warranty. ALL NEW ENGINE; no remanufactured parts.

NOTE:  California Installation in 2007 or earlier Model Year Boats ONLY & MUST return a Core Engine.
United States Installation in 2009 or earlier Model Year Boats ONLY & MUST return a Core Engine.

Due to it’s 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.
3-Year Factory Mercury/MerCruiser Warranty.


  • Horsepower 350HP @ Crankshaft
  • WOT Operating Range 4800-5200 RPM
  • Engine Configuration GM Small Block V-8
  • Displacement 383 CID / 6.3L
  • Bore 4.030″ Stroke 3.750″
  • Compression Ratio 9.0:1
  • Idle Speed 600 RPM
  • Gasoline 87 Octane
  • Engine Oil MerCruiser 25W40 Syn Blend
  • Cooling: Fresh Water Cooling

Marine Configuration:

  • Engine Only.

Stroker Equipment:

  • Fuel Injection with Cool Fuel System 4340
  • Forged Steel Crankshaft.
  • High Flow Flame Arrestor
  • 1.6:1 Roller Rocker Arms
  • Marine Roller.
  • Camshaft Intake Lift 0.497″
  • Exhaust Lift 0.497″.
  • Gen+ Iron Heads Intake Valve Diameter 1.94″
  • Exhaust Valve Diameter 1.50″.
  • Hypereutectic Aluminum Pistons.
  • High Flow Oil Pump.
  • 160 F Thermostat.

NOTES: Payment by Wire Transfer, PayPal, Credit Card, Debit Card or Cash..

  1. Add 4% to Total Price if paid by PayPal.
  2. Add 6% To Total Price if Paid by Credit Card & Debit Card; must be in Store ONLY
  3. Shipping weight 1052#.
  4. Can be Shipped in Continental United States only.
  5. F.O.B. point of Origin San Dimas, California.
  6. Shipping is an additional charge. Call for Shipping Quote.

Payment and pickup of engine shall be PRO BOATS 555 Covina Blvd. San Dimas, CA., USA 91773

If you have any futher questions, please contact us at 909-599-0531.


Condition New
Manufacturer Mercury
Model Year 2023-PY
Model 383-MAG MPI STROKER FWC Bravo (Plus-Series) Engine
Retail Price $19,881.25

Price $16,495.00
Color Black
VIN# 109404
Stock Number 8M0187361
Additional Pricing Information Shipping in Continental United States





*Price, if shown, does not include government fees, taxes, additional equipment, installation or any finance charges (if applicable). Final actual sales price will vary depending on options or accessories selected.
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