CNC Ported | Dual Springs CNC Ported | Fully Assembled | Dual Springs
The Ultimate Street/Strip Performance Heads. read more
The Ultimate Street/Strip Performance Heads. read more
GIIIH Bear
Custom Heads
Custom Heads for the truly one off, unique builds.
CNC Ported | w/ Dual Springs
The ultimate in performance upgrade for your G III / IV late model engine. The Thitek GIIIH “Bear” Dual arrives completely assembled, with dual valve springs for those pushing the limit.
CNC Ported | w/ Beehive
The ultimate in performance upgrade for your G III / IV late model engine. The Thitek GIIIH “Bear” is the first aftermarket available cylinder head for the Late Model Hemi platform. A true bolt on cylinder head design that replaces the factory cylinder head with no other modifications needed.
CNC Ported
The ultimate in performance upgrade for your G III / IV late model engine. The Thitek GIIIH “Bear” is the first aftermarket available cylinder head for the Late Model Hemi platform. A true bolt on cylinder head design that replaces the factory cylinder head with no other modifications needed.
Cast Porters
Thitek’s GIIIH “Bear” Cast Porters version gives your cylinder head porter the added material to design a port around your specific combination.
GIIIH "Bear" - Overview
The ultimate in performance upgrade for your G III / IV late model engine. The Thitek GIIIH “Bear” is the first aftermarket available cylinder head for the Late Model Hemi platform. A true bolt on cylinder head design that replaces the factory cylinder head with no other modifications needed.
