Why are out HHP/BES Racing Engine Cylinder Heads different from our competitors?
- MOPAR Head Gasket Kit
- MOPAR Head Bolts (unless using studs)
- Oil Change & Coolant Flush
- Intake Manifold Gasket (Preferably Cometic C5197)
This modification should only be done by trained professionals. Installation time is on average 12 hours and requires trained expertise.
If you're interested in Kooks long tube headers, the installation time and cost goes way down if you have it done at the same time your heads are installed since installation is much easier and quicker.
Installation at HHP in Delaware:
We can also install your heads and intake for you at an awesome price, too, and from the outside you can't tell that any work has been done to your vehicle. Dealerships cannot tell unless they break into the engine. If you are unable to get your HEMI to us we can ship our heads to you in return for your stock heads - no core charges are involved! Installation requires oil change, coolant change and all new head bolts and gaskets. If you need to purchase new head bolts and gaskets, just let us know at the time of purchase.
Core Returns:
- CORES MUST BE RETURNED WITHIN 30 Days of receipt of your item.
- If ANY special arrangements are needed, arrangements MUST be in writing and must be made prior to purchase.
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Buyer is responsible for core return shipping.
- Please allow up to 30 days for the core to be inspected and core charge to be refunded.
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Core charge refund will depend on the condition of the core. The core MUST be in useable condition and include valves. Please do not include rocker arms or spark plugs. No parts will be returned from your cores (ie. springs, valves or valve seals).
- If you have ANY questions about the core policy, please contact us BEFORE purchase.
FOR MORE INFORMATION: Please call us at 888-894-1115 for more info regarding this package and what you will need to successfully complete the transformation of your vehicle into one of the baddest vehicles the HEMI world has ever seen. Let our experts help you plan out your build. At HHP, we carry EVERY part you will need to complete your entire build, and since we are a chain of installation shops as well, we can provide everything from inhouse installation and tuning to tech support and email tuning for the do-it-yourself mechanics.
CALL US TODAY AT 888-894-1115 FOR MORE INFO ON ALL OF OUR HHP HEADS AND CAM PACKAGES!
Stage 1 Heads & Intake Testing with Stock Engine circa 2006. The factory computer takes the additional airflow without tuning, but custom tuning with Diablo CMR is highly recommended to ensure that you are safely getting all of the power out of your vehicle. Our initial testing was completed without custom tuning and utilized the stock computer tune.
Baseline Maximum Output: 365.37 rwhp / 366.17 rwtq
Baseline Heat Soak Output: 349.35 rwhp / 359.36 rwtq
Final Average Output: 410.70 rwhp / 410.46 rwtq
Final Maximum HP Output: 413.99 rwhp / 401.33 rwtq
Final Heat Soak Output: 388.25 rwhp / 376.69 rwtq
At full heat-soak (no fans and 15 minutes idling to reach 220+ degrees) we showed gains of 38 rear wheel horsepower and 24 rear wheel torque. Heat-soak numbers mean nothing since you will never run at these operating conditions, but we use them to show what the absolute minimum gains are. That's an awesome gain!