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Customers

Ken L.

John, Thanks for all your help. I wish I had known about you before I ordered the rest of my stuff! Thanks, Ken
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Brian A.

Brian A.

The 408 engine runs strong, put on dyno 405hp with 415tq N/A not shabby.. also was on 22" wheels with those numbers est. 500-525 @ crank. Thanks so...
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Kyle M.

Kyle M.

John, I am very pleased with the brake conversion. The kit was very easy to install and I didn't have any problems and look very good as...
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Taylor M.

Taylor M.

Thanks a lot John !
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Alan P.

First off, I just have to say that I have never came across a more stand-up guy that takes his time to connect with his customers and have the...
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Steve B.

Steve B.

Thanks for the help with my 426 stroker.
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Michael W.

Michael W.

After getting all the compatible stuff shes a beast! Michael
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Matt G.

I just want to say thanks for all that you have done for me, because over the weekend I was the fastest R/T out there with no power-adders and still...
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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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Jason B.

Thanks John.. you have been awesome to work with and I am REALLY looking forward to driving my SRT-10 again :) Jason
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Foreign Cylinder Heads

Sport Compact 4 Cylinder - 4 Valves Per Cylinder

Sport Compact 4 Cylinder - 2 Valves Per Cylinder

Nissan KA24

Scion TC Race

Mitsubishi Lancer EVO 8

Honda  PR3 P72 Type R GSR

Many other Cylinder Head Packages Available, Contact Southeast Performance for your application.



Product Image Item Name- Price
Honda GSR Cylinder Heads

Honda GSR Cylinder Heads

Honda GSR Type-R - PR3 P72 5-Axis CNC Porting, SERDI Competition Valve Job, New Bronze Guides. Average 15-20% Gains for N/A Applications. 75-100 HP...
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Mitsubishi Cylinder Heads

Mitsubishi Cylinder Heads

Mitsubishi Lancer EVO 8 5-Axis CNC Head Porting and SERDI Competition Valve Job. Turbo Port.
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Nissan Cylinder Heads

Nissan Cylinder Heads

Nissan KA24 5-Axis CNC Porting, CNC Combustion Chambers, New Bronze Guides, Diamond-Honed Guides to Spec, SERDI Competition Valve Job Port...
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Sport Compact 4 Cylinder - 4 Valves Per Cylinder

Sport Compact 4 Cylinder - 4 Valves Per Cylinder

Sport Compact 4 Cylinder - 4 Valves Per Cylinder 5- Axis CNC Porting and SERDI Competition Valve Job. 15-20% Gains for N/A Applications. 75-100 HP...
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Toyota Cylinder heads

Toyota Cylinder heads

CNC Porting and SERDI Competition Valve Job. Toyota 3TC 20R 22R.
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Turbo and NA Foreign Cylinder Heads

Turbo and NA Foreign Cylinder Heads

5- Axis CNC Porting and SERDI Competition Valve Job. 15-20% Gains for N/A Applications. 75-100 HP Gains for Turbo Engines. K20, 4G63 Gen1 & 2,...
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