ThiTek Cylinder Heads

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FlowTech Induction P.O. Box 1205 Coventry, Rhode Island 02816

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ThiTek Cylinder Heads

ThiTek Late Model HEMI® Cylinder Heads

The new “BEAR” HEMI® heads are the only true aftermarket late model HEMI® cylinder heads available. Designed from a blank sheet of paper with every conceivable improvement possible. This is a completely new casting made of virgin A356 aluminum. This material is approximately 2x the strength of an OE cylinder head.

All “BEAR” cylinder heads are drilled for both left and right exhaust bolt pattern and oil drain backs. This feature allows for the heads to be interchangeable from side to side and also gives turbo cars additional bolt holes for header flanges. One oil return must be plugged using a NPT plug to avoid leaks.

The deck thickness has been increased over stock and additional features added for strengthening of the cylinder head deck. Port wall thickness has been increased inside port and water jacket side allowing for different port shapes (smaller or larger) and adds strength to cylinder head. Ductile iron valve seats are standard in all heads but can be upgraded to beryllium copper. Manganese alloy 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 cutter style general purpose taps. Reinforced rocker arm pedestals standard. CNC machined intake runners, 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!