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Customers

Tom R.

John--the 408 engine you built for me is outstanding. Feel free to give him my cell number and I'll happily give you a strong reference. Thank you...
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Mitch C.

Awesome work! Glad I went with you guys! Anyone I know of that wants to build I'll send your way! Thanks John! Your the man!! Mitch
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Taylor M.

Taylor M.

Thanks a lot John !
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Robert S.

Robert S.

426 Hemi Cuda
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Gary H.

Gary H.

John, Thanks a lot !
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Josh F.

I've bought parts and dealt with vendors in my job every day for the last 15 years. I have never dealt with a vendor as helpful and punctual as you...
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Bob F.

Bob F.

Plymouth 426 Hemi
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Colton H.

Colton H.

"Johns the man, bought a 410 package from him years ago after I got back from overseas. The caveat I gave John was that it had to pass Californian...
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Steve B.

Steve B.

Thanks for the help with my 426 stroker.
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Buyer

Super guy to deal with! GREAT SERVICE!! GREAT PRICE!!
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Clay B.

Clay B.

Thanks for everything !
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Steven

Southeast Performance and John Mercedes have been "OUTSTANDING" to do business with. I couldn't be happier.
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Matt C.

Thanks again John, someone who’s willing to help and not just sell parts. So, looks like you’ll be listed on my referrals. Keep in touch. Thanks...
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Scot C.

Scot C.

Thanks for everything John. We will be doing business again. At Nationals 6.38 on a 6.54 dial in.
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Jim A.

Jim A.

Two year champion in modified tractor pulling classes named "Watch This Trick". Chrysler 426 Hemi. Thanks for the Great Service!
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Troy K.

Troy K.

Thanks for all your great help with my Viper.
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Don S.

John, I can't emphasize this enough, but without the help you're getting me I could not have afforded my dream engine! I literally have cringed when...
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Marko T.

Marko T.

Hi John! Thanks again for the great service! Marko T. Finland
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Hannu O.

Hannu O.

thank you very much from Finland!
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Barbara H.

John, Thanks again for making Colton's dream come true! The truck is in the body shop, the cowl hood arrived and the new 408 engine you built is...
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Billy W.

Billy W.

Dakota R/T 408
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Shaine D.

Wow! Thank you for that quick and informative response. Must be why you are always recommended. Shaine
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Michael D.

I just wish there were more guys like you around for us gen3 guys. Most just want a sale and don't care to actually help let alone give advice or...
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Chris B.

Chris B. won the late model feature easily Texas Motor Speedway.
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Mike M.

John's very honest, something that's hard to find these days. This means he'll tell you the truth and you may not want to hear it. LOL. The best...
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EQ Cylinder Heads

The EQ magnum and LA series cylinder heads are designed for use with their corresponding intake manifold, rocker arms, and valve covers. The EQ head features a Magnum pedestal that is large enough to enable 7/16”-14 drilling and tapping for use with stud-mounted rocker arms and guide plates. As a cast iron stock replacement head, the EQ series is designed for Magnum applications (318-360-415cid). With a host of additions and improvements over the factory originals, these heads are an easy way to get over 400 horsepower and feature 179cc intake and 67cc exhaust runners, a 62cc combustion chamber, multi-angle intake and hardened radiused exhaust valve seats, an improved valve guide design and a highly efficient water jacket to prevent engine hot spots. The EQ Cylinder Heads also come with an extra thick deck surface to enable angle milling for compression. Contact Southeast Performance for special pricing and upgrades.




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