Dodge Chrysler Jeep 5.7L Hemi Rebuilt Cylinder Head | 2003-2008
Restore the power and performance of your Gen II Hemi with a professionally remanufactured 5.7L Hemi cylinder head. Built to fit a wide range of Dodge, Chrysler, and Jeep V8 platforms from 2003 to 2008, this completely rebuilt cylinder head is engineered to address common factory vulnerabilities and deliver long-term engine reliability.
Whether you are fixing a dropped valve seat, resolving a compression loss issue, or performing a top-end rebuild on your truck or SUV, our drop-in ready replacement cylinder head gets your vehicle back on the road fast.
Need help identifying your specific casting number? Give our engine experts a call at 1-800-942-4503.
Precision Remanufacturing & Quality Engineering
Early 5.7L Hemi engines require precise machining to prevent future failures. Every rebuilt 5.7 Hemi cylinder head undergoes an exhaustive multi-step renewal process:
- Thermal Crack & Pressure Testing: Every casting is thoroughly pressure checked to ensure zero internal cracks or hairline structural defects.
- Precision CNC Resurfacing: Machined to exact flatness tolerances to guarantee a perfect, leak-free head gasket seal.
- Upgraded Valve Guides & Seats: Critical valve components are inspected and precision-replaced as needed to ensure complete reliability.
- Premium Viton® Valve Stem Seals: Upgraded with brand-new, high-temperature VITON seals for maximum oil control.
- Complete Multi-Angle Valve Job: Every single valve is vacuum-tested to guarantee an airtight, high-compression seal.
Technical Specifications & Fitment
- Engine Displacement: 5.7 Liter V8 Hemi (Pre-MDS / Early Gen)
- Year Range Support: 2003, 2004, 2005, 2006, 2007, 2008
- Common Compatible Models:
- Dodge: Ram 1500/2500/3500, Durango, Charger, Magnum
- Chrysler: 300C, Aspen
- Jeep: Grand Cherokee, Commander
Critical Order Details & Fitment Verification
To ensure you receive the exact matching head for your specific vehicle configuration, please provide your Email, Phone Number, Vehicle Year, and Casting Number in the form at checkout.
Shipping Information
To ensure safe transit, please select the corresponding shipping method at checkout:
- Single Head Purchase: Choose $50 Flat Rate Shipping
- Pair Purchase (Two Heads): Choose $100 Flat Rate Shipping
**ORDER INSTRUCTIONS**
STEP #1:
PLEASE FILL OUT THE BELOW FORM PRIOR TO ORDERING IN CASE WE NEED TO CONTACT YOU.
STEP #2:
ADD PRODUCT TO CART
CAN'T FIND WHAT YOU'RE LOOKING FOR? CALL US! 800-942-4503
Secured payment by debit & credit cards, PayPal or Apple Pay
Easy core returns for 30 days from the date of order
$50 flat rate shipping on most cylinder head orders
CORE RETURN
We make it easy for you. Your head will arrive in our special foam lined box. Once your new head is installed all you have to do is put your old one in the box and tape it up, then apply the included prepaid UPS sticker to the box. You may then give the box to any UPS driver you may see, or take the box to any UPS pickup point, there will be no charge to you to complete the transaction and return your old head to us.
YOUR OLD HEAD
We will accept your old cylinder head no matter what is wrong with it as long as it includes all the parts that our head came with. You will never be charged extra because your old head is damaged. Cracked head? OK! Bent valves? OK! Head taken apart? OK! (as long as you put all of the parts in the box). We have no up-front core charge. Our comprehensive inventory includes heads for domestic or import models and a 12-month unlimited mileage guarantee.
RETURNS
In the event you need to return the cylinder head, as long as the rebuilt cylinder head has not been put in the vehicle, we will accept returns within 30 days. You will be responsible for freight and a 15% restocking fee.
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QUESTIONS?
Cylinder Heads International is here to make your remanufactured cylinder head purchase an easy experience. Please read through the FAQ page or reach out to us directly. We will reply within 24 hours or 1 business day.





















