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Mitsubishi Heads
Manifold Porting

Best custom head work, porting, and performance parts & service in the business!


I’m Curt Brown, and at Curt Brown Racing, I have 25 years of experience in building fast turbocharged street, drag, and road-race cars. With the combination of my knowledge and experience, quality US or Japanese parts, and lower business overhead than competitors, I can give you the best “bang for the buck” in competition machine work and performance parts sales and service.


I specialize in:

  • Manifold Porting
  • Cylinder Head Porting and Builds
  • Turbo Porting
  • Ceramic Wheel Bearings
  • Short Block Builds



All my work is custom. Contact me today so we can discuss the work needed to fulfill your  performance needs.



Head Builds & Porting

Allow your engine to breathe better! With a ported head, your turbocharged engine can breathe better, increasing horsepower and torque across the rev range. This is the affordable alternative to a CNC head, without a downside!


For example, I typically see a 40-50 horsepower increase when a Mitsubishi 4G63’s head is ported, and over 100 hp increase with a Nissan GTR head.


What do you get for your $$$? A head that works. Not one that's over-ported or overpriced. I also use US or Japanese-made parts when assembling. No Chinese junk! I can guarantee that my heads will work better than anything on the market.


Keep in mind, this is a mod that is invisible! For GTRs, Nissan will never know!



Manifold Porting

Improve throttle response and increase horsepower and torque without losing bottom-end power!

These units will outperform all other manifolds on the market. I do the work myself, not some $15-an-hour hack in the back of a shop. You can expect quality!



Ceramic Wheel Bearings

For those looking for those couple extra mph at the drag strip.


These ceramic bearing reduce friction, increasing efficiency. Expect an extra 2-3 mph in the quarter mile when used with a sub-11 second car.



Home
We are a dealer for these vendors
Contact Info
Mitsubishi Heads
Manifold Porting
Subaru Heads
GTR Parts
70mm Ported EVO manifolds
Porsche heads/bearings
Ceramic Bearings
Shortblocks
BMW N54/N55
Honda Heads
Dodge Viper
Toyota Supra
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