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Port work is the heart and soul of a motor build. By maximizing airflow throughout
the entire motor (intake piping, throttle body, intake manifold, head, and exhaust header)
HP gains are significant. We put our port work next to ANY competitor without hurting
your pocket. Our world flow records and accomplishments speak louder than just words,
and prove that this is the shop you want for your serious motor build.
DH Racing port work is said to be "The Best Around!".
Our competition port work is nothing short of amazing, as we have
been porting Honda and Acura motors for over 16 years! Our competitors
can not provide the razor sharp precision and high flow numbers of our port jobs
that only comes from our years of experience combined with practical use.
No need to send in your core.
All Ported Heads come standard with the following:
- Race Port and Polish
- Full inspection of threads for cracks
- New valve seals
- Performance 4 Angle Valve Job
- Mild Combustion Chamber work
- Resurface all gasket mating surfaces
- Diamond Resurfacing to your specs
- High Pressure Degreasing
- Vacuum tested ports
- Dual Stock Valve Springs good for 9400 RPM
- Titanium Retainers
- Stainless Steel Swirl Polished Valves
- Profressional cam journal (line hone removes all scratches left by cams)
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Stock Ported B16 Head



This is it! This is it! This is the high flowing port design we used to (see dyno)
make 190 WHP on stock B16 blocks and 250 WHP on stock H22 blocks. A high revving
monster and the perfect start to a built motor. We strongly recommend our DH-Racing MLS Head Gaskets
when swapping your stock head for our high flow design.
Add a Ported B16 Head to your cart for $1500.00 shipped:
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Stock Ported GSR Head
Click to enlarge

Add a Ported GSR Head to your cart for $1500.00 (free shipping!):
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Stock Ported H22 Head

Add a Ported H22 Head to your cart for $1500.00 (free shipping!):
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Stock Ported D16 Head

Select your Motor to add a D16 Ported Head to your cart:
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Stock Ported DOHC ZC Head

Add a Ported DOHC ZC Head to your cart for $850.00:
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Stock Ported LS Head

Add a Ported LS Head to your cart for $850.00:
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Stock Ported F22 (Non VTEC) Head

Add a Ported F22 Head to your cart for $650.00:
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| DH Racing Cars |
One of the quickest B16A's in the world!
- 9.65 @ 142mph
- 9.82 @ 141mph
- 9.94 @ 139mph
One of the quickest All Motor daily driven CRX's
11.70 @ 115mph
Click here to check out our team
car that runs unbelievable times with just a 1.6L!!!
*All times are at LACR
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DH Racing
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through PayPal!
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