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Stage III Cylinder Head

Stage III Cylinder Head
SKU BUILT STG III HEAD
Our price: $1098.00
Head Core
Guides
Valves
S&R
Lifters/ Rockers
Quantity
Product info
BUILT Industries staged cylinder heads come from a long line of proven performance now for over ten years. With over three hundred Mitsubishi 4G63, Mitsubishi 4B11, Subaru WRX, Subaru WRX STI, Scion TC, and other sport compact cylinder heads under our belt we have the ability to be custom build to your specifications or choose from one of our three proven platforms. Unless otherwise specified all cylinder heads have a no core due policy, however I am always looking for good cores so your core may be valuable to me, please ask for details.

The Stage III cylinder head gives you all of the features and benefits of the STG II head but includes extensive port work on both the intake and exhaust side for maximum air flow from a 1 mm over sized valve. If you want an oversized valve you have to run the STG III head in order for the proper port work to be done to maximize airflow for the oversized valve, just installing an over sized valve in your stock head will HURT airflow and power. This cylinder head is geared up for the big turbo cars, big HP, and big RPM?s.

All Stage III cylinder heads include:

Your choice of 1 mm oversized valves
Competition valve job
Bowl blending
Extensive intake and exhaust port work
Upgraded dual springs
Titanium retainers
Surface to > 30 RA
Professional assembly

For those looking for the highest HP potential and understand your power band is likely from 5000 RPM?s and up ? this is your cylinder head. Big lift cams encouraged!

***Core charges include all of the prep work, cleaning, machine work, and assembly of the cylinder head or block.***
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