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Performance Perfected

632 Big Block Chevy

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 in the offshore market in a powerful way. This engine has to be experienced in order to appreciate the optimized torque curve.

Everything available from a short block to long block, turn-key carbureted or EFI and drop-in-ready with your pulley kit of choice. Turn-Key & Drop-In-Ready engine packages come dyno tested and every engine package is personalized for you & tailored to your boat.

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June 6, 2025

565 Big Block Chevy

This Big Block Chevy Marine engine is our most popular in this series. The 565 cubic inch version was designed specifically for the Offshore power boat industry. We spent hundreds of hours on the dyno and on the water developing a power curve that spanks the competition. Just ask our converted customers!

Everything available from a short block to long block, turn-key carbureted or EFI and drop-in-ready with your pulley kit of choice. Turn-Key & Drop-In-Ready engine packages come dyno tested and every engine package is personalized for you & tailored to your boat.

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June 6, 2025

489 Big Block Chevy

Our 489 Big Block Marine Engine is far different than a basic Chevy crate engine. The 454 based stroker engine is designed with a host of upgraded internals specific to marine use to provide maximum torque from 2,500 to 5,550 RPM, right where you need it on a boat. Get on plane quicker and sustain a lower RPM Cruising speeds.

Everything available from a short block to long block, turn-key carbureted or EFI and drop-in-ready with your pulley kit of choice. Turn-Key & Drop-In-Ready engine packages come dyno tested and every engine package is personalized for you & tailored to your boat.

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June 6, 2025

Special Offers

Ultimate TurnKey Package

The Ultimate Turnkey Package covers every consideration and saves you money with a volume discount and a one-time shipping cost.

View Ultimate Package
Testimonials
5/5
Ray Littlefield
Having approached a few local builders I quickly learned that nobody I approached offered warranty of any significance on rebuilt performance engines, but every single builder would do the work had I proceeded for a significant cost to me, all the risk being mine.
Ron Hall
In 2011 I was looking for a local engine builder down here in Australia to rebuild my old modified 302 cu in engine. What I wanted was my original Windsor block rebuilt with all new rotating parts and the heads either changed out for Alloy or modified to seek more power. I also wanted to understand the warranty such engine builders would offer. I also wanted good horsepower and torque.
Nicola Carrigan
I was looking for a Ford 351W engine to fit in a GT40 replica and came across Prestige Motor Sports on the internet. After reviewing other engine builders in the UK and overseas it was apparent that Prestige gave better value for money and had a reputation for quality. Doug Aitken was extremely helpful and always responded quickly to my emails and requests for information. I got what I wanted, on time, on budget and with no surprises. After my engine arrived Doug was helpful as ever when I was looking for compatible, parts, oils, etc. in the UK. My only regret is that I shipped the engine myself and it took forever; despite Doug's efforts to deal with my shipper. I should have let Prestige handle that too. I can thoroughly recommend Prestige Motorsports.
Humberto Freire
Prestige Motorsports did a GREAT job on my 1932 Ford Truck. From the custom paint job to the extras that make the truck stand-out...expert and custom work all around. They stayed true to the price estimates that I was given and continued to be professional throughout my experience. I would highly recommend them for all of your custom car/truck needs.
Steven Cowell
These guys are great very friendly. They built a big block chevy for me and it runs great. They helped me any time I called them with questions on the installation of the engine. They are always willing to take as much time as needed to help you get through any problems you may have. I will definitely purchase my next engine from them.
Heather Harper
But beyond the stats of the motor Doug and his team spent plenty of time talking me through the options and weighing the pro/cons of each to help create a motor set-up that I would be happy with for my intended application (mostly street with a bit of track time). He also set up the transmission and clutch for the motor and is helping me drop all that in to my chassis as I trailered the chassis over to his shop since I only live about 2hrs away. Great team and a fantastic level of service and support.
Daniel Hinds Sr
I have had a fantastic experience with Prestige Motorsports and can't hardly recommend them enough. Doug and his team (Thanks Sr.) put together a 427 Ford Windsor block based crate motor with >525 hp and >540 ft/lbs of torque with >500 ft-lbs of torque from 2800 all the way to 5400 rpm to go into my cobra kit car.
David Kolwyck
Thanks Guys! I would recomend you to anyone, also more cost effective than some of the other builders for the same spec.
Graham Diss
Excellent service, Doug kept me up to date all the way through the build and interfaced with my shippers to export it to South Africa, the engine is fantastic delivers the driveabilty I asked for but still with 500+hp.
Jon Cameron
First and foremost I can't express the professionalism and honesty from the guys at Prestige. The timely manner in the build of my motor very impressive ( motor at my door within four weeks). This is the first motor I have ever had professionally built and had numerous questions and Doug was always willing to take the time out of his busy schedule to answer them. ( Even contacted him after hours and he responded) A big plus for Prestige is there ongoing commitment to satisfaction coming from there buyers. Believe me when I say there just not a company who sells you a motor, there way more than that. Even after I got everything installed Doug said " if ya want bring your car up we can fine tune it " I made those arrangements and Doug and the guys were there and immediately got me in and went over everything and made some suggestions on some changes I may want to consider. I left Prestige with a huge smile. Again the professionalism is top notch.not sure about you but for me a business that does what they say they there gonna do when they say there gonna do it is a business I'll travel to do business with. Thanks again to the guys at Prestige !! 150% SATISFIED!!!!
Tony Frank
I contacted Doug quite some time ago regarding an engine build. I was attracted to the big HP number 302 based block on his website however after telling him what I was doing with my setup he took the time to inform me of what I would expect with the engine I originally wanted. He let me know it was a great drag race engine that lived in high RPM but if i wanted to drive the streets I would want more down low torque. Doug walked me through what would go into the build and what parts they were going to use. Ultimately Doug promised that the car would have a nice and flat torque curve that wouldnt fall off and still produce over 500hp. I went ahead and ordered the engine and the estimated time was 5 weeks. I got confirmation that it was indeed finished in 5 weeks. I called Doug about a thousand times with small questions and he took the time to answer them in depth, not just answering but really making sure I understood. I had Doug order everything else for the engine as well, water pump, and headers etc. When the shipment arrived at my house everything was in the crate they hand make which is very very sturdy! All of the accessories in the box were very secure so nothing was moving around in there. I haven't installed the engine yet into my car however I will leave another review at that point. Up to this point everything has been smooth sailing and Doug is a very honest and reasonable guy to deal with. The aftermarket industry needs more guys that truly care like Doug and the rest of his team does. Big shout out to all the guys at Prestige!
Billy Madero
I recently hired them to build my motor and I can't say enough about the guys at Prestige. They are professional, knowledgeable, and helpful. They were there to answer my questions during and after the build. I would highly recommend them if you are in the market for a new custom engine.
Scotty Hennen
OMG that motor is awesome.I just got everything finished today and took her out for the first time it's like a totally different car it has excellent throttle response and sounds outstanding. You and your team did a awesome job and thanks again for everything.
Kris Born
I have nothing but good things to say about Prestige Motorsports. Doug, senior, and Hollie were great and very informative! They all took the time to let me know what was going on through the entire build process. Also the postings of pictures and the dyno during the process made me feel more at ease (since I'm states away). Top notch company and customer service and quality! Highly recommended!!!
Bill Silverthorn
Doug did a great job of educating me and providing a quality high-performance motor that fit my budget. Everyone in the shop was always courteous and helpful with any questions I had. If I had to do it again, I would go back to them for another motor. I would highly recommend this shop for any of your performance needs.
Jay Stone
Prestige has some of the best front end and back end service that I have experienced from any company. Doug is awesome to work with and learn from, they deliver exactly what they promise and the build quality is top notch. I can't wait to do it all over again with another project.
Enrico Tioli
So coming up to almost a year and that engine rocks!!! Super happy with the job you have done.
Bart Mesman
Just wanting to let you know the car engine and transmission are running great! Strong and reliable! Much thanks already!
Fernando Guajardo
Just want to say thank you and your staff for the outstanding engine build!
Sean Curtis
The engine is a beast in my foxbody. Tons of fun. I bust loose in third at 40mph all the time.
David Cutler
A friend and I went for a ride and he commented that the car runs much better, and I agree with him. Thanks for what you've done so far, it's made a big difference in the way the engine behaves.
Brandon Foster
These guys are the real deal. Been to a number of other shops and always left disappointed or feeling ripped off, never the case with Prestige. They did an auto to manual swap on my 75 vette along with a rear end change and the job came out great! They've done a number of other things for me since then and have exclusively earned my business through their knowledge and professional workmanship. Great bunch of guys that I can't say enough about!
Kyle Seifert
Just wanted to let you know engine is doing great. Took runner up at the American hotrod reunion last night. Took about 8 passes and the truck and the engine never missed a beat. People cant believe it when they come over and see a small block pulling that 3600lb truck down the track that strong and fast it says a lot about the quality of work that comes from your shop.
Phil Grgurich
I received the engine package yesterday. Thanks again for all the help, the engine looks fantastic. I'll be dropping the engine into the frame next week and looking forward to representing Prestige Motorsports in TX.
William Hall
Went to tour facility of Prestige Motorsports. When I called to ask about seeing their facility, the lady on the phone said sure, come on down. I told her I was coming Friday morning at 10am and that I was bringing my girlfriend as a surprise for her b'day. When we arrived, we were greeted at the door, and the whole office, including the owner, Doug, wished my girlfriend a happy b'day. We took our tour and answered every question we had. We were very pleased with our tour and the fact that Doug, even with his busy schedule, took the time to explain some of their engine parts and how they used the top-of-the-line parts. Me and my girlfriend are very excited for our motor. We can't wait for the dyno test which we were invited to come watch. One word(AWESOME)!!!!!

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