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Nitrous Outlet 8 Cylinder Direct Port System - Two .122 Nitrous Solenoids/Two .177 Fuel Solenoids/Compact Distribution Blocks/Compression Fittings/90 Degree Discharge Nozzles (E85)(5-7-10 psi)(100-400HP)(12lb Bottle)
Nitrous Outlet 8 Cylinder Direct Port System - Two .122 Nitrous Solenoids/Two .177 Fuel Solenoids/Compact Distribution Blocks/Compression Fittings/90 Degree Discharge Nozzles (E85)(5-7-10 psi)(100-400HP)(12lb Bottle)
Nitrous Outlet 8 Cylinder Direct Port System - Two .122 Nitrous Solenoids/Two .177 Fuel Solenoids/Compact Distribution Blocks/Compression Fittings/90 Degree Discharge Nozzles (E85)(5-7-10 psi)(100-400HP)(12lb Bottle)
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Nitrous Outlet 8 Cylinder Direct Port System - Two .122 Nitrous Solenoids/Two .177 Fuel Solenoids/Compact Distribution Blocks/Compression Fittings/90 Degree Discharge Nozzles (E85)(5-7-10 psi)(100-400HP)(12lb Bottle)

Marsoni M251S
Sale price$1641.49
Pay 4 payments of $410.37 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Nitrous Outlet 8 Cylinder Direct Port System - Two .122 Nitrous Solenoids/Two .177 Fuel Solenoids/Compact Distribution Blocks/Compression Fittings/90 Degree Discharge Nozzles (E85)(5-7-10 psi)(100-400HP)(12lb Bottle)Flow Up To 800HP . 122 Nitrous & . 177 Fuel Solenoids Eight Cylinder Wet System Distribution Blocks Single Stage All Hardware, Fittings and Accessories Included Includes Jetting For 100 200 300 400HP 90 Aluminum Nozzles 5, 7, 10psi E85 Fuel Jets Included High Horsepower: Nitrous Outlet's 8 cylinder direct port systems are designed to be high flowing for high horsepower applications. This system comes with one nozzle per cylinder capable of flowing 200
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
Based on 1801 reviews
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Product Reviews
M
Verified Purchase
Maris I.
Dallas, US
★★★★★ 5
Perfect fit and functioning. Excellent support
The starter fit perfectly, in my Mercruiser 4.3 from 2004, although it was awkward to replace on my engine due to space constraints. I had a few questions for the supplier and quickly received very descriptive answers. Now the starter works perfect in my boat. In all a very good choice which I really can recommend others.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 27, 2024
A
Verified Purchase
A. WEAVER
Fort Morgan, US
★★★★★ 5
New starter
Part came promptly and was a direct match to the original starter. I did a bench test prior to install and had no issues.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 16, 2025
R
Verified Purchase
Roy W.
Chelsea, US
★★★★★ 5
Right part
Wonderful, part was right the firstt time,AWSOME!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 26, 2025
E
Verified Purchase
10ESSEE
Louisville, US
★★★★★ 3
Bit Longer than Genuine Quicksilver Starter Not same fit
It’s close to the Quicksilver Mercruiser starter but it’s not the same length and size. Also the internal gear sits differently. My 2012 Tahoe Mercruiser Alpha 3.0 has a back bracket that would not fit on because this starter is longer. I didn’t take the risk of testing it out by starting it as I noticed the gear inside sits a bit different and there is a knob on the front of the housing as the original does not. I’m not taking any chances. I just returned it and ordered the actual Quicksilver Starter that’s a little more $$ but totally worth it to have a proper fit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 31, 2025
C
Verified Purchase
Chad Uhl
New York, US
★★★★★ 1
failed after 2 months of use
This starter has failed after less than one year in use. Used for 1 month last summer then, over the winter I had my boat winterized and upon summerizing it, the starter displayed a "flat" spot where it would not crank unless turned and tried again. It now doesn't turn over my engine. I'd like a refund or replacement. Do not recommend cheap knock offs for boat parts...
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 4, 2025

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