HRH Ported Cylinder Heads

OST Dyno Cylinder Head Porting - $1,894

OST utilizes the best technology, experience, and real world results to craft the best cylinder head design available. We can have any Hemi cylinder head ported for you. This porting job includes intake and exhaust passages opened up, valve shrouding removed, and a complete valve job with new guides. Just send us your heads and we will return them to you ready for maximum performance!

*Please note: this is for port work only and is not a complete cylinder head.

Complete Thitek Cylinder Head - $3,695

This is a completely new casting made of A356 material. This material is approximately 2x the strength as an OE cylinder head.

At OST we run this cylinder head on all our high horsepower (1000whp+) builds. It really is the best head on the market today.

-The deck thickness has been increased and additional features added for strengthening of the cylinder head deck.
-Port wall thickness has been increased inside port and water jacket side, this allows for different port shapes (smaller or larger) and adds strength to cylinder head.
-Ductile Iron valveseats are used in all heads unless upgraded to Copper Beryllium.
-Bronze valve guides are standard, however exhaust can be upgraded to steel with a liner for certain applications.
-All holes are tapped using a Form Tap, increased tread strength over General Purpose taps.
-Reinforced rocker arm pedestals.
-CNC Machined Intake ports, Exhaust Ports and Combustion Chambers.
-Stock intake manifolds, exhaust manifolds, spark plugs,valve covers, coil packs and accessories can be used.
-Option to run Dual valve springs over a beehive springs
-Optional 6 bolt pattern is available. Will require block modifications and possible exhaust modifications
-Made in the USA!

*These heads are made to order so please allow time for machine work.