Best prices and customer service on Duramax LML heads out there. Shipped fast and very cool about how long it took to get the cores back.
Product was as described and packaged well! Communication throughout prosses was also great! I will definitely be using them in the future with other projects.
Parts arrived as promised. Ported heads gave me that low end torque and high rev HP I was looking for! ...if only I did the cam at the same time.
I got my cylinder head quicker than expected. I would buy from this company again
Remanufactured GM Chevrolet 3.1L 3.4L Pair Cylinder Heads Casting Number 234
$615.00
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Additional Info
Remanufactured GM Chevrolet 3.1L 3.4L Cylinder Heads (Pair) – Casting 234
OEM-Quality Performance for 3.1L & 3.4L V6 Engines
Restore your engine’s power and efficiency with this complete pair of remanufactured cylinder heads for GM 3.1L and 3.4L V6 OHV engines. Featuring casting number 234, these heads are precision-machined and pressure-tested to ensure a reliable, direct-fit replacement for Chevrolet, Pontiac, Buick, and Oldsmobile applications. This set comes fully assembled and ready for installation to minimize downtime and provide long-lasting durability.
🛠️ In-House Machining Process
- Cleaning: Fully disassembled and thermally cleaned.
- Soda Blasted: Castings are blasted with Sodium Bicarbonate. Because baking soda is water-soluble, there is zero risk of abrasive media clogging oil passages.
- Pressure Testing: Tested to 60 PSI to ensure no cracks or porosity leaks.
- Surfacing: All heads are resurfaced on our Rottler S85A for a precision gasket-sealing surface.
- Valve Job: Multi-angle valve job performed; every port is Vacuum Tested to ensure valves are seated 100% airtight.
📊 Technical Specifications
- Engine Size: 3.1L / 3.4L V6
- Casting Number: 234
- Configuration: Overhead Valve (OHV)
- Condition: Remanufactured
- Quantity: Pair (Both Sides)
- Core Return Required
🚛 Fitment Data
Common Applications:
- Chevrolet Equinox: 2005–2007 Chevrolet Equinox (3.4L)
- Chevrolet Equinox: 2008–2009 Chevrolet Equinox (3.4L)
- Pontiac Torrent: 2006–2009 Pontiac Torrent (3.4L)
[+] Click to View Full Detailed Fitment List
2006 Chevrolet Equinox 3.4L
2007 Chevrolet Equinox 3.4L
2008 Chevrolet Equinox 3.4L
2009 Chevrolet Equinox 3.4L
2006 Pontiac Torrent 3.4L
2007 Pontiac Torrent 3.4L
2008 Pontiac Torrent 3.4L
2009 Pontiac Torrent 3.4L
📦 Core Return & Warranty
- Core Process: No upfront core fee. Receive your new heads and compare them to your originals before installation. Once complete, use the pre-paid return label included in your shipment. Cores must be returned within 30 days. Click here for Core Policy.
- Warranty: Includes a 2-Year Unlimited Mileage Warranty. Click here for Warranty details.
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