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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
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Description
GM Complete LS3 Port Cylinder Heads | 12675871When it comes to LS Performance, Who knows the industry better than GM Performance. The most tried and tested production cylinder head on the market is the GM LS3 head. Designed specifically for 6. 0 & 6. 2 engines the LS3 heads have been proven to work extremely well in all N A, Turbo & Supercharged engine applications. Retain that performance and save yourself time and worry by replacing your tired cylinder heads with Chevrolet Performance LS3
When it comes to LS Performance, Who knows the industry better than GM Performance.The most tried and tested production cylinder head on the market is the GM LS3 head. Designed specifically for 6.0 & 6.2 engines the LS3 heads have been proven to work extremely well in all N/A, Turbo & Supercharged engine applications.
Retain that performance and save yourself time and worry by replacing your tired cylinder heads with Chevrolet Performance LS3 cylinder heads
What Is Included with Our LS3 Heads?
- Genuine GM LS3 Cylinder Head Castings;
- 2.165" Hollow Stem Intake Valves;
- 1.590" Stainless Steel Exhaust Valves;
- Valve stem seals;
- Retainers;
- Factory .550" lift single springs;
- Locks;
Want Our LS3 Heads with a Dual Spring Kit?
- PAC 1905 .660" Dual Valve Springs;
- Chromoly Retainers;
- PAC Valve Locks;
- Valve Stem Seals;
- Locators;
Looking For A Set of LS3 Heads To Get CNC Ported?
Check out our range of CNC Ported LS3 Heads that are machined & ready to go.
Click Here:
GM LS3 Port Cylinder Heads (lsxperformanceparts.com.au)
Prefer To Chat With Us About Your Cylinder Head Upgrade?
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(03)8595 4343
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Shop with confidence with free freight Australia wide & discounted pricing.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Sturdy and comfortable
Color: Black
The chair is easy to install and great quality.
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Reviewed in the United States on June 8, 2026
★★★★★ 5
Very comfortable
Color: Black, Color: Black
Comfortable chair and easy to assemble. The cushioning feels nice and supportive, especially for long sitting sessions. Looks clean and feels sturdy for the price. Definitely worth it.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Comfort and luxury
Color: Black, Color: Black
Absolutely love this office chair! The comfort and support are excellent, especially during long workdays. The cushioning feels premium, the back support is great, and the adjustable features made it easy to find the perfect sitting position. Assembly was straightforward, and the chair feels sturdy and well-made. The wheels glide smoothly, and the overall design looks modern and professional. Definitely one of the best office chair purchases I’ve made — highly recommend!
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Excellent Comfort and Great Value for a Home Office
Color: Elegant Grey, Color: Elegant Grey
I am extremely happy with this office chair and feel it offers excellent value for the price. The chair was easy to assemble, and all the parts fit together perfectly. Once assembled, it feels sturdy, stable, and well-made.
The high-back design provides outstanding support for my back, neck, and shoulders. The seat cushion is thick and comfortable, making it easy to sit for long periods while working, studying, or gaming. The padded headrest adds extra comfort, and the faux leather material looks stylish and gives the chair a premium appearance.
One of my favorite features is the flip-up armrests. They are comfortable to use and make it easy to slide the chair under my desk when I need extra space. The height adjustment, smooth swivel, and rocking function all work well and allow me to find the perfect sitting position throughout the day.
The chair arrived exactly as described and exceeded my expectations in both comfort and appearance. It looks great in my home office and has made long work sessions much more enjoyable. If you're looking for a comfortable, attractive, and affordable office chair, I highly recommend this product. I would definitely purchase it again and would gladly give it five stars.
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Reviewed in the United States on June 5, 2026
★★★★★ 5
Comfortable and Stylish Office Chair
I’ve been using this chair for my home office, and it’s been very comfortable. The high back provides good support, and the lumbar support helps reduce strain during long hours at my desk. The leather looks nice and gives the chair a professional appearance. I really like the flip-up armrests because they make it easy to slide the chair under the desk when not in use. The rocking function is a nice feature for relaxing during breaks, and the chair rolls and swivels smoothly. Overall, it’s a comfortable, well-made office chair that looks great and provides excellent support for everyday work.
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Reviewed in the United States on June 4, 2026