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Why This Tire?
Specifications
| Brand | Frankenstein Engine Dynamics |
|---|---|
| Category | Engine |
| Manufacturer Part # | 113004 |
| Subcategory | Cylinder Heads |
| Category Group | Cylinder Heads and Components |
|---|---|
| Ai Subcategory | Engine Components |
| Weight | 37.0 lbs |
Vehicle Compatibility
| Year | Make | Model | Trim |
|---|
Product Description
The Frankenstein Engine Dynamics M311 Assembled LS3 Rect-Port Cylinder Head is designed for GM LS-Series engines, specifically the LS3. This aluminum cylinder head comes assembled with 2.165 inch intake and 1.600 inch exhaust valves. It features a 273 cc intake runner volume and a 71 cc combustion chamber.
Shipping & Returns
Fast Shipping
Standard delivery in 3-7 business days. Expedited options available.
30-Day Returns
Return unused items in original packaging for a full refund.
Questions & Answers
Check your vehicle owner's manual or the tire placard on the driver's side door jamb for the recommended tire size. You can also use our vehicle fitment tool at the top of the page to confirm compatibility. If you're unsure, our support team is happy to help you find the right fit.
We offer a 30-day return policy on unused, unmounted products in their original packaging. Simply contact our support team and we'll provide a prepaid return label. Refunds are processed within 5-7 business days of receiving the returned item. Mounted or used tires are not eligible for return.
We ship directly to your door or to your preferred local tire shop for installation. Most local tire shops offer mounting and balancing for $15-$25 per tire. Just provide your installer's address at checkout and we'll ship right to them.
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