[{"id":165492392010,"handle":"dodge-charger-challenger-300","title":"Dodge Charger \/ Challenger \/ 300","updated_at":"2025-10-30T16:59:30-04:00","body_html":"\u003cp\u003eIf you are using a mobile device, Don't forget to hit the \"Filter By\" button to find exactly what you are looking for!\u003c\/p\u003e\n\u003cp\u003eHere at 797 Performance we strive to deliver the largest variety of parts for your Modern Mopar, if you don't see what you are looking for please send us a message or an email and we can help you out the best we can.\u003c\/p\u003e","published_at":"2020-05-14T09:18:20-04:00","sort_order":"best-selling","template_suffix":"","disjunctive":false,"rules":[{"column":"tag","relation":"equals","condition":"Dodge Charger\/Challenger\/300"}],"published_scope":"global","image":{"created_at":"2024-11-13T13:05:42-05:00","alt":"","width":1280,"height":433,"src":"\/\/797performance.com\/cdn\/shop\/collections\/2020-Dodge-Charger-Blue_9066468c-d340-489d-b48d-9722ffb8207a.jpg?v=1731521142"}},{"id":286320001216,"handle":"excluded","title":"Sale with exclusions","updated_at":"2025-10-30T16:28:51-04:00","body_html":"Brands excluded from sale due to manufacturer restrictions \u003cbr\u003e","published_at":"2023-10-08T10:40:58-04:00","sort_order":"created","template_suffix":"","disjunctive":false,"rules":[{"column":"vendor","relation":"not_equals","condition":"AAD Performance"},{"column":"vendor","relation":"not_equals","condition":"JLT"},{"column":"vendor","relation":"not_equals","condition":"Kong Performance"},{"column":"title","relation":"not_equals","condition":"bravado"},{"column":"vendor","relation":"not_equals","condition":"Hoosier"},{"column":"vendor","relation":"not_equals","condition":"Southern HotRod"},{"column":"vendor","relation":"not_equals","condition":"Circle D"},{"column":"vendor","relation":"not_equals","condition":"Magnuson"},{"column":"vendor","relation":"not_equals","condition":"Magnunson"},{"column":"vendor","relation":"not_equals","condition":"Vortech"},{"column":"vendor","relation":"not_equals","condition":"Mopar"},{"column":"vendor","relation":"not_equals","condition":"Cal Custom"},{"column":"vendor","relation":"not_equals","condition":"Atturo"},{"column":"vendor","relation":"not_equals","condition":"PAC"},{"column":"vendor","relation":"not_equals","condition":"Edelbrock"},{"column":"vendor","relation":"not_equals","condition":"Holley"},{"column":"vendor","relation":"not_equals","condition":"Whipple Superchargers"},{"column":"vendor","relation":"not_equals","condition":"Vortech"},{"column":"vendor","relation":"not_equals","condition":"Magnuson"},{"column":"vendor","relation":"not_equals","condition":"ON3 Performance"},{"column":"vendor","relation":"not_equals","condition":"Barton Industries"},{"column":"vendor","relation":"not_equals","condition":"S\u0026B Filters"},{"column":"title","relation":"not_equals","condition":"CLEARANCE Weld Performance Ventura Drag Wheel S155"},{"column":"vendor","relation":"not_equals","condition":"Summit Racing"},{"column":"vendor","relation":"not_equals","condition":"PAC"},{"column":"vendor","relation":"not_equals","condition":"ATI"},{"column":"vendor","relation":"not_equals","condition":"PRC"},{"column":"title","relation":"not_contains","condition":"Texas Speed PRC CNC Ported"},{"column":"vendor","relation":"not_equals","condition":"797 Performance, LLC"},{"column":"vendor","relation":"not_equals","condition":"JLT"},{"column":"vendor","relation":"not_equals","condition":"Legmaker"},{"column":"vendor","relation":"not_equals","condition":"Scratch \u0026 Dent"},{"column":"vendor","relation":"not_equals","condition":"Girodisc"},{"column":"vendor","relation":"not_equals","condition":"Frozen Rotors"},{"column":"vendor","relation":"not_equals","condition":"Texas Speed \/ 797 Performance"},{"column":"vendor","relation":"not_equals","condition":"797 Performance"},{"column":"vendor","relation":"not_equals","condition":"Comp Cams"},{"column":"vendor","relation":"not_equals","condition":"Nick Williams"},{"column":"vendor","relation":"not_equals","condition":"Black Friday"},{"column":"vendor","relation":"not_equals","condition":"Procharger"},{"column":"vendor","relation":"not_equals","condition":"Brian Tooley Racing \/ 797 Performance"},{"column":"vendor","relation":"not_equals","condition":"SIKKY"},{"column":"vendor","relation":"not_equals","condition":"Paragon performance"},{"column":"vendor","relation":"not_equals","condition":"Route"},{"column":"title","relation":"not_contains","condition":"Limited Time Sale Weld S81 Charger \/ Challenger \/ 300 Front and Rear Combo Package"},{"column":"vendor","relation":"not_equals","condition":"Paragon performance"},{"column":"vendor","relation":"not_equals","condition":"Cam Motion"},{"column":"vendor","relation":"not_equals","condition":"Ford Performance"},{"column":"vendor","relation":"not_equals","condition":"Ford Racing"},{"column":"vendor","relation":"not_equals","condition":"PPE"},{"column":"vendor","relation":"not_equals","condition":"TorqStorm Superchargers"},{"column":"vendor","relation":"not_equals","condition":"BoninFante"},{"column":"title","relation":"not_contains","condition":"East Coast Driveline Ram TRX (RAM-TRX.COM GROUP BUY)"},{"column":"vendor","relation":"not_equals","condition":"Timber Grove Enterprises"},{"column":"vendor","relation":"not_equals","condition":"IC Chiller"},{"column":"vendor","relation":"not_equals","condition":"S\u0026B"},{"column":"vendor","relation":"not_equals","condition":"S\u0026B Filters"},{"column":"vendor","relation":"not_equals","condition":"NGK"},{"column":"vendor","relation":"not_equals","condition":"Blackbird Performance"},{"column":"vendor","relation":"not_equals","condition":"J\u0026L"}],"published_scope":"global"},{"id":341666791616,"handle":"texas-speed","title":"Texas Speed","updated_at":"2025-10-28T07:07:56-04:00","body_html":"","published_at":"2025-10-22T09:08:22-04:00","sort_order":"best-selling","template_suffix":"","disjunctive":true,"rules":[{"column":"vendor","relation":"equals","condition":"Texas Speed"}],"published_scope":"global","image":{"created_at":"2025-10-22T09:08:21-04:00","alt":null,"width":263,"height":192,"src":"\/\/797performance.com\/cdn\/shop\/collections\/images_caddb0ac-f76e-4873-8bf8-a9318c31350f.png?v=1761138502"}}]
CNC Porting Service for Customer Supplied Hemi 6.4L 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.