Gen 3 HEMI 392 Cylinder Heads Ported by Thitek

Upgrade your GEN 3 HEMI 392 to get all the flow you need! 

These heads are ready to go, and come with our stage 2 porting done by Thitek. Casting number ending in "369".

STAGE 2 includes:

- Disassembly and sonic cleaning

- CNC porting done by Thitek (best in the HEMI cylinder head business)

- Deck surface milled flat for the best sealing to the head gasket 

- New bronze valve guides (Steel guides may be used for high boost engines)

- Fresh valve job 

- New valve seals

- Reassembly of factory components 

- Brand new Manley stainless steel valves

- 0.650" lift beehive springs 

- Hardened steel retainers and seats 

If you need your heads ported, please see our listings for forwarding services which include stage 1, stage 2, and stage 3. Available. 

These are the perfect upgrade to your 392 Scat Pack, etc. Expected power gains range from 20-50 RWHP! Gains can vary, depending on other modifications done to the vehicle.

Message us if you have any questions.