Description
Texas Speed / PRC CNC Porting Exchange Service 6.4L Apache Hemi Cylinder Heads
797 Performance & Texas Speed & Performance is proud to announce our all-new CNC porting for factory 392 Hemi cylinder heads!
With CNC machines dedicated to only machining Hemi cylinder heads, the result is quick turn-around times and the support of a company that operates 25+ CNC machines dedicated to late model performance parts! Our goal has been to offer the ultimate in performance while getting rid of the Hemi tax commonly seen by other companies.
TSP’s CNC machining of your cylinder heads will include tear down, cleaning and inspection, CNC porting, milling, and re-assembly of customer-supplied cylinder heads. The end result is the best CNC ported factory cylinder heads for your 6.4L Hemi. Dyno gains of over 30 HP have been seen in back-to-back testing!
-$1,599.98 This is an exchange program where we ship out a finished CNC ported set of heads ready for installation. Included in the package is a prepaid return shipping label, and a core charge of $1,500.00. The $1,500.00 core charge will be returned if the heads shipped back are complete, in good usable condition without warping, cracks, or surface flaw. If cores are not returned, the core charge will not be returned. Cores must sent back within 30 days of the delivery, a return label will be provided.
-$1,359.98 If your heads are off the car, and you don’t wish to exchange. You can ship your heads for CNC porting and return service. You will be required to ship your own packaged heads for service in this option, and your heads will be returned to you. The turn around time on this averages 4 weeks.
SHIPPING IS INCLUDED IN ALL EXCHANGE PRICING.
6.4L Ported Cylinder Heads Feature:
- 5-Axis CNC Porting Intake & Exhaust Runners
- CNC Chamber Machining
- Hand Blending
- Newen CNC Valve Seat Machining
- CNC Decked
- PAC 1232x Spring Kit Installed
| LIFT | INTAKE FLOW | EXHAUST FLOW |
| .200″ | 167 CFM | 118 CFM |
| .300″ | 250 CFM | 159 CFM |
| .400″ | 327CFM | 199 CFM |
| .500″ | 370 CFM | 222 CFM |
| .600″ | 384 CFM | 236 CFM |
| .700″ | 392 CFM | 245 CFM |
*Please Remove all Cylinder Head accessories (Spark plugs, Rocker, ETC) before Shipping. Core heads must be complete in OEM condition. We do not accept ported, modified, or damaged heads. Heads must have OEM springs installed, if not contact us for options. 797 Performance nor Texas Speed and Performance is not responsible for any lost parts.
DAMAGED CORES WILL NOT BE RETURNED, THEY WILL BE DISPOSED OF.
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