They supplied me with a perfect set of heads to bring my 1999 Ford Ranger back to life. Ranger Frank has been in the family since the day he rolled off the showroom floor. Its great to have him back on the road.
Part came in and work as a champ. Price was better than all other places I look for the set. Will recommended to all my soldiers and/or buddies if they need cylinder heads replace. Thank you guys.
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.
Remanufactured GM Chevrolet 3.5L 3.9L Pair Cylinder Heads OHV W/ Head Gasket Set and Bolts
$1,010.00
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Additional Info
Remanufactured GM Chevrolet 3.5L 3.9L (Casting 523) OHV Cylinder Heads Pair w/ Gaskets & Bolts
Professional OEM Replacement Kit with Complete Installation Hardware
Restore your engineās performance and reliability with this premium pair of remanufactured GM 3.5L and 3.9L V6 OHV cylinder heads. This comprehensive kit features “523” casting heads that have been precision-machined to meet or exceed OEM specifications, ensuring a perfect fit and long-term durability. Each set includes a high-quality head gasket set and a complete bolt kit for a streamlined, professional-grade installation.
š ļø 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.
š Technical Specifications
- Engine Size: 3.5L / 3.9L V6
- Casting Number: 523
- Engine Type: OHV (Overhead Valve)
- Condition: Remanufactured
- Included Components: Pair of Cylinder Heads (Left and Right), Head Gasket Set, and Cylinder Head Bolts
- Core Return Required
š Fitment Data
Common Applications:
- Saturn Aura: 2007ā2008 Saturn Aura (3.5L)
- Pontiac G6: 2006ā2010 Pontiac G6 (3.9L)
- Chevrolet Impala: 2006 Chevrolet Impala (3.5L)
- Chevrolet Impala: 2006ā2011 Chevrolet Impala (3.9L)
- Chevrolet Impala: 2007ā2010 Chevrolet Impala (3.5L, VIN K 8th digit)
- Chevrolet Impala: 2007ā2010 Chevrolet Impala (3.5L, VIN N 8th digit, Front)
- Chevrolet Impala: 2011 Chevrolet Impala (3.5L, VIN K 8th digit)
- Buick Lucerne: 2009ā2011 Buick Lucerne (3.9L)
- Chevrolet Malibu: 2006ā2010 Chevrolet Malibu (3.5L, VIN K 8th digit, Opt LZE)
- Buick Montana: 2006ā2009 Buick Montana (SV6, 3.9L)
- Chevrolet Monte Carlo: 2006ā2007 Chevrolet Monte Carlo (3.5L)
- Chevrolet Monte Carlo: 2006ā2007 Chevrolet Monte Carlo (3.9L)
- Buick Relay: 2006ā2007 Buick Relay (3.9L)
- Chevrolet Terrazza: 2006ā2007 Chevrolet Terrazza (3.9L)
- Chevrolet Uplander: 2006ā2009 Chevrolet Uplander (3.9L)
- Saturn Vue: 2008ā2010 Saturn Vue (3.5L)
[+] Click to View Full Detailed Fitment List
2008 Saturn Aura (3.5L)
2006 Pontiac G6 (3.9L)
2007 Pontiac G6 (3.9L)
2008 Pontiac G6 (3.9L)
2009 Pontiac G6 (3.9L)
2010 Pontiac G6 (3.9L)
2006 Chevrolet Impala (3.5L)
2006 Chevrolet Impala (3.9L)
2007 Chevrolet Impala (3.9L)
2008 Chevrolet Impala (3.9L)
2009 Chevrolet Impala (3.9L)
2010 Chevrolet Impala (3.9L)
2011 Chevrolet Impala (3.9L)
2007 Chevrolet Impala (3.5L VIN K 8th digit)
2008 Chevrolet Impala (3.5L VIN K 8th digit)
2009 Chevrolet Impala (3.5L VIN K 8th digit)
2010 Chevrolet Impala (3.5L VIN K 8th digit)
2007 Chevrolet Impala (3.5L VIN N 8th digit Front)
2008 Chevrolet Impala (3.5L VIN N 8th digit Front)
2009 Chevrolet Impala (3.5L VIN N 8th digit Front)
2010 Chevrolet Impala (3.5L VIN N 8th digit Front)
2011 Chevrolet Impala (3.5L VIN K 8th digit)
2009 Buick Lucerne (3.9L)
2010 Buick Lucerne (3.9L)
2011 Buick Lucerne (3.9L)
2006 Chevrolet Malibu (3.5L VIN K 8th digit Opt LZE)
2007 Chevrolet Malibu (3.5L VIN K 8th digit Opt LZE)
2008 Chevrolet Malibu (3.5L VIN K 8th digit Opt LZE)
2009 Chevrolet Malibu (3.5L VIN K 8th digit Opt LZE)
2010 Chevrolet Malibu (3.5L VIN K 8th digit Opt LZE)
2006 Buick Montana (SV6 3.9L)
2007 Buick Montana (SV6 3.9L)
2008 Buick Montana (SV6 3.9L)
2009 Buick Montana (SV6 3.9L)
2006 Chevrolet Monte Carlo (3.5L)
2007 Chevrolet Monte Carlo (3.5L)
2006 Chevrolet Monte Carlo (3.9L)
2007 Chevrolet Monte Carlo (3.9L)
2006 Buick Relay (3.9L)
2007 Buick Relay (3.9L)
2006 Chevrolet Terrazza (3.9L)
2007 Chevrolet Terrazza (3.9L)
2006 Chevrolet Uplander (3.9L)
2007 Chevrolet Uplander (3.9L)
2008 Chevrolet Uplander (3.9L)
2009 Chevrolet Uplander (3.9L)
2008 Saturn Vue (3.5L)
2009 Saturn Vue (3.5L)
2010 Saturn Vue (3.5L)
š¦ 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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