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Save 25% on fuel see below

Marines Engines

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Click above or look below for marine engines including your price.
Over two million sold since 1986 all with our 7 year warranty
1-206-405-0335

Includes Marine Long-Block and Gaskets

We Guarantee Our Engines Are 100% Marine NOT Auto Engines That Others Sell as Marine Engines
Automotive Engines Use More Fuel And Have Much Less Power !
Best oil for marine engines is racing oils sticks to engine parts
We Install Marine Engines

CHECK THIS - Want to use less fuel & get on plane quicker The way we manufacture our marine engines you will use less fuel and the extra power gets you on plane quicker Ask us how we do it
We test marine engines to give you more power and use less fuel For Marine Engines Not
 Listed Please Call Our Factory 1-206-405-0335
How To Order Your Marine Engine Just Call We Will Take Care of Everything
Also visit us at www.usenginesinc.com for more information and current prices. 
For Your Information We rebuild all our marine engines here in our factory. This saves you money-factory direct
Our marine engines comes with new pistons, new rings, new valves, new timing set, new springs, new rockers, new push rods, new lifters, new bearings and brass freeze plugs. The blocks are bored oversize. Crankshafts, rods, head castings and camshafts are machined back to marine engine specifications
All marine engine are fully tested before they leave our factory
You can trust US ENGINE to build you the very best marine engines
Chevy GM Marine engines
 All Boat Manufactures Marine Engine Listings.  Marine warranty 7 years 500 hours
 Note Please add 450.00 for reverse rotation engines
153      4-cylinder $2,295
181       See 3.0 Below $2,995
3.0       Cracked block we can fix it add $500.00 $2,295
250     6-cylinder $2,295
For Your Information Our 4.3 Performance Marine Engines with 50 More H.P will use less fuel  average 25%
These Marine Engines will replace your original factory Engine
The fuel savings will pay for your new marine engines
4.3     V6     1969 - 1989      $2,295
4.3     V6     1969 - 1989     With 50 more horsepower uses less fuel. $2,295
4.3     V6     1990 - 1995      $2,295

4.3     V6     1990 - 1995      With 50 more horsepower uses less fuel

                 Your fuel savings will pay for your new marine engine

$2,295
4.3     V6     1996 - 1999      $2,295
4.3     V6     1996 - 1999      With 50 more horsepower uses less fuel   $2,295
4.3     V6     2000 - 2011 $2,395
4.3     V6     2000 - 2011      With 50 more horsepower uses less fuel $2,395
New marine 4 barrel carburetor and performance intake manifold
fits 4.3 - 5.0  - 5.7 and  350 marine engines in stock
283     Custom engine rebuilding  $2,295
395     1970 - 1985          Replace your 395 with a 350 $2,295
395     1985 - 1995   $2,295
395     1996 - 1997          with 12 Bolt intake manifold         $2,295
395     1998 - 1999           $2,295
395     2000 - 2011           8 Bolt Intake Manifold $2,595
307  $2,295
327       Custom rebuilding $2,295
5.0     1970 - 1985            Replace your 5.0 with a 5.7 $2,295
5.0     1986 - 1996           With 12 Bolt intake manifold $2,295
5.0     1997 - 1999           8 or 12 Bolt Intake Manifold $2,295
5.0     2000 - 2011           8 Bolt Intake Manifold $2,595
 Yes You Can Replace Your 5.0/395 Marine Engine with A 5.7/350 or 383 Stroker Marine Engine
Just Call US ENGINE and We Will Tell You How
350     255 h.p     1969 - 1989 $2,295
350     260 h.p     1969 - 1989 $2,295
350     280 h.p     1968 - 1989 $2,295
350     300 h.p     1969 - 1989       Uses 25% less fuel over your original factories  $2,495
350     260 h.p     1990 - 1995 $2,295
350     280 h.p     1990 - 1995 $2,295

350     300 h.p     1990 - 1995       We designed our 300 horsepower 350 to save you

             25% on fuel costs. The savings will pay for your new marine engine 

$2,495
350     350 h.p     1996 - 1999             8 or 12 Bolt Intake Manifold $2,695
350     260 h.p     1996 - 1999             8 or 12 Bolt Intake Manifold $2,295
350     280 h.p     1996 - 1999             8 or 12 Bolt Intake Manifold $2,295
For Your Information Our 350 Marine engines with 300 h.p - 320 h.p - 350 h.p will use less fuel
These Marine Engines will Replace your original factory Engine
350     300 h.p     1996 - 1999       Uses around 25% less fuel over your original factories   $2,695
350     320 h.p     1996 - 1999   $3,995
350     260 h.p     2000 - 2011             8 Bolt Intake Manifold $2,495
350     280 h.p     2000 - 2011             8 Bolt Intake Manifold $2,995
350     300 h.p     2000 - 2011      Uses around 25% less fuel over your original factories  $2,895
350     350 h.p     2000 - 2007   $3,495
For Your Information Yes You Can Replace Your 350 Marine Engine with A 383 Stroker Marine Engine
Just Call US ENGINE and We Will Tell You How
383     Stroker     350 h.p     1970 - 1986 $4,895
383     Stroker     400 h.p     1970 - 1986     See Chevy 383 stroker notes below $4,895
383     Stroker     350 h.p     1987 - 1995    $4,895
383     Stroker     400 h.p     1987 - 1995 $4,895
383     Stroker     360 h.p     1996 - 2011      8 or 12 Bolt Intake Manifold $4,895
383     Stroker     410 h.p     1996 - 2011      8 or 12  Bolt Intake Manifold $4,895
5.7     260 h.p     1968 - 1989 $2,295
5.7     280 h.p     1968 - 1989 $2,295
5.7     300 h.p     1968 - 1989    Uses around 25% less fuel over your original factories   $2,495
5.7     350 h.p    1968 - 1989     Uses around 25% less fuel   $2,695
5.7     260 h.p     1990 - 1995 $2,595
5.7     280 h.p     1990 - 1995 $2,295
5.7     300 h.p     1990 - 1995     Uses around 25% less fuel over your original factories  $2,995
5.7     260 h.p     1996 - 1995             8 or 12 Bolt Intake Manifold $2,295
5.7     280 h.p     1996 - 1999             8 or 12 Bolt Intake Manifold $2,495
5.7     300 h.p     1996 - 1999     Uses around 25% less fuel over your original factories   $2,695
5.7     320 h.p     1996 - 1999   $3,995
5.7     260 h.p     2000 - 2011             8 Bolt Intake Manifold $2,395
5.7     280 h.p     2000 - 2011             8 Bolt Intake Manifold $2,495
5.7     300 h.p     2000 - 2011      Uses around 25% less fuel over your original factories  $2,495
5.7     350 h.p     2000 - 2011   $3,495
For Your Information Yes You Can Replace Your 5.7 Marine Engine with A 6.2 Stroker Marine Engine
Just Call US ENGINE and We Will Tell You How
6.2     Stroker     350 h.p     1970 - 1986    12 Bolt Intake Manifold $4,495
6.2     Stroker     400 h.p     1970 - 1986     See Chevy 383 stroker notes below $4,495
6.2     Stroker     350 h.p     1987 - 1995     $4,495
6.2     Stroker     400 h.p     1987 - 1995    $4,495
6.2     Stroker     360 h.p     1996 - 2011      8 Bolt Intake Manifold $4,495
6.2     Stroker     410 h.p     1996 - 2011      8 Bolt Intake Manifold $4,495
454     300 h.p     1969 - 1989 $2,895
454     330 h.p     1969 - 1989 $3,495
454     400 h.p     1969 - 1989 $3,695

454     415 h.p     1969 - 1989   This 415 h.p will save you on average 25% on fuel usage

     The fuel savings will pay for your new engine and bring your boat back to life

$3,895

454     415 h.p     1990 - 1996   This 415 h.p will save you on average 25% on fuel usage

 

$3,895
454     425 h.p     1969 - 1989 $4,395
454     450 h.p     1969 - 1989 $4,995
454     310 h.p     1990 - 1996 $2,895
454     330 h.p     1990 - 1996 $3,495
454     350 h.p     1990 - 1996 $3,595
454     400 h.p     1990 - 1996 $3,495
454     415 h.p     1990 - 1996      We designed this 415 horsepower to use 25% less fuel $3,895

454    425 h.p   1990 - 1996      Magnum   

$5,895 

454     330 h.p    1997 - 2007 $3,695
454     350 h.p    1997 - 2007 $3,495
454     375 h.p    1997 - 2007 $3,895
454     400 h.p    1997 - 2007 $4,195
454     415 h.p    1997 - 2007  Uses around 25% less fuel replaces your original engine $4,395
454     420 h.p    1997 - 2007  with 2" intake port heads. Uses 20% less fuel $4,395
454     Mercruiser Magnum     425 h.p with Square port heads  $5,895 
454     450 h.p $5,095
454     500 h.p     With   (aluminum heads) $6,795
7.4     330 h.p     1969 - 1989 $2,895
7.4     350 h.p     1969 - 1989 $3,495
7.4     400 h.p     1969 - 1989 $3,695
7.4     330 h.p     1990 - 1995 $3,495
7.4     350 h.p     1990 - 1995 $3,995
7.4     400 h.p     1990 - 1995 $3,495
7.4     330 h.p     1996 - 2007 $3,695
7.4     350 h.p     1996 - 2007 $3,495
7.4     375 h.p     1996 - 2007 $3,895
7.4     400 h.p     1996 - 2007 $4,195

7.4   415 h.p    1996 - 2007  Uses around 25% less fuel replaces your original engine 

$4,395 

7.4   420 h.p    1996 - 2007  Uses around 20% less fuel replaces your original engine 

$4,495

7.4     Magnum     425 h.p   $5,895
7.4     450 h.p $5,095
7.4     500 h.p     With   (aluminum heads) $6,795
496 $4,495
502 $5,895
For Your Information We are Marine Engine Experts here to Answer your questions
1-206-405-0335
Ford Marine Engines & all Boat manufactures.
7 Years 500 hour warranty.  We install Marine Engines
For Your Information Note Please add 350.00 for reverse rotation engines
170 $2,295
3.7   4 Cylinder   Mercury Marine Engine $2,695
302 - 1969 - 1989 $2,295
302 - 1969 - 1989     300   h.p $2,295
302 - 1990 - 2001 $2,295
302 - 1990 - 2001     300   h.p $2,295
5.0 $2,295
5.0     300   h.p uses less fuel than original factory engines $2,295
351 W $2,295
351 W       300 h.p uses less fuel than original factory engines $2,295
351 W     350   h.p $2,495
390 $2,695
427 $3,295
460   330 horse power $2,495
460   400 horse power $2,895
460   450 horse power   High compression 11.1 $3,895
470 Merc   4 cylinder $2,395
CHRYSLER MARINE
For Your Information Note Please add 450.00 for reverse rotation engines
318 $2,695
340 $2,495
360 $2,695
383 $2,695
440 $4,695

WARRANTY
All our marine engines comes with our 7 years 500 hours warranty. Since 1986 US ENGINE has sold all our marine engines with this warranty. We are not new to long warranty, we are the leader. Our marine engines are built to last longer than 7 years. Highest quality marine engines.


4.3 Marine Engine
We build 4.3 marine engines that have around 50 more horse power over factory engines. This marine engine will use less fuel US ENGINE has tested this.
350 MARINE ENGINE
We have built thousands of 350 marine engines. The 300 horse 350 will use less fuel because of our higher compression pistons. Its worth the extra cost to purchase 300 horse 350 marine engine.
454 MARINE ENGINE
454 marine engine with 330 horse power are not fuel efficient, the low horse power uses lots of fuel. If your going to purchase a 454 marine engine order a 454 marine with 400 horse power, these use less fuel.
REPLACING 395 with 350 MARINE
Installing a 350 engine where a 395 engine original was is simple. You see the 395 and 350 marine engine are the same on the outside. The difference is 350 marine engine has larger bores and bigger valves. If you put the 395 and 350 engines next to each other they look the same. There is nothing to modify including fuel system and computer.
REPLACING YOUR 350 MARINE with 383 STROKER
383 stroker is made from two engines, the Chevy 350 and Chevy 400 engine. From the 400 Chevy we use the crankshaft however our 400 crankshafts are new. The 400 crankshaft is fitted into the Chevy 350 making a longer stroke

350 rods are used with special designed pistons. The cylinder heads, camshafts, timing gears and valves are all from the Chevy 350 engine. The Chevy 383 stroker makes more horse power but what most do not know the 383 stroker has much more torque.

 Torque is what you need to move heavy loads like boats. Think of torque and horsepower this way. Big diesel trucks have 300 to 400 horsepower, but what moves them down the highway is their torque 1,200 or more.

 We have installed Chevy 383 strokers in customers boats and gained 15 miles per hour however you must change your prop to gain 15 MPH or you can have massive torque power up to 5,200 RPMS. Not changing your prop makes your boat great for pulling skiers and tubers. If you have 383 stroker marine questions just call we will be pleased to help
350 boat engine
350 boat engines with 300 horse power will use less fuel
4.3 boat engine
4.3 boat engines with 50 more horsepower will have more power, use less fuel
454 boat engine
454 boat engine with 415 horsepower will use less fuel
MARINE ENGINES LISTINGS

Installations
Delivery
Resources

Professional Engine Installations are available in house call for availability and specific prices for your vehicle

U.S. Engine offers engine Pick-Up and Delivery within the Greater Puget Sound and outlining areas

U.S. Engine offers customers discount towing services to its facilities for engine diagnostic's and installations

 

See our other websites  usenginesinc.com - usmarineengine.com