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Description
GM LS2 LS6 Gen III Gen IV Genuine OEM Cylinder Head 799 Assembly with Valves and SpringsCondition: USED REBUILDABLE CORE This Cylinder Head part number 12629058 is engineered for optimal engine performance in many V8 applications. Designed to enhance combustion cooling and overall power output it is widely used in vehicles such as light trucks and performance models. The part has demonstrated reliability in 5. 3L engines and its quality is supported by multiple technical sources and fitment records. Fitment information provided with best
Condition: USED/REBUILDABLE COREThis Cylinder Head part number 12629058 is engineered for optimal engine performance in many V8 applications. Designed to enhance combustion cooling and overall power output it is widely used in vehicles such as light trucks and performance models. The part has demonstrated reliability in 5.3L engines and its quality is supported by multiple technical sources and fitment records.
Fitment information provided with best effort, customer is ultimately responsible for fitment
Hollander Number 306-01749A
| Application | Year(s) | Engine / Notes |
|---|---|---|
| CAMARO | 99-02 | 8-350 (5.7L) |
| CORVETTE | 99-00 | |
| CORVETTE | 01-04 | LS1 engine (VIN G 8th digit) |
| FIREBIRD | 99-02 | 5.7L |
| GTO | 04 |
Hollander Number 306-01749B
| Application | Year(s) | Engine / Notes |
|---|---|---|
| ALLURE | 08-09 | 5.3L |
| AVALANCHE 1500 | 07-10 | 5.3L |
| AVALANCHE 1500 | 11-13 | |
| CANYON | 09-12 | 5.3L |
| COLORADO | 09-12 | 5.3L |
| CORVETTE | 01-04 | LS6 engine (VIN S 8th digit) |
| CORVETTE | 05 | |
| CORVETTE | 06-07 | 6.0L |
| CTS | 04-05 | 5.7L (VIN S 8th digit 8-350) |
| CTS | 06-07 | 6.0L (VIN U 8th digit 8-364) |
| ENVOY | 05-09 | 5.3L (Denali) |
| ENVOY XL | 05-06 | 5.3L |
| ENVOY XUV | 05 | 5.3L |
| ESCALADE | 09-13 | 6.0L (Hybrid) |
| EXPRESS 1500 VAN | 08-14 | 8-323 (5.3L) |
| EXPRESS 2500 VAN | 08-12 | 8-323 (5.3L) |
| EXPRESS 2500 VAN | 08-16 | 8-292 (4.8L) |
| EXPRESS 2500 VAN | 17 | 4.8L |
| EXPRESS 3500 VAN | 08-16 | 8-292 (4.8L) |
| EXPRESS 3500 VAN | 17 | 4.8L |
| GRAND PRIX | 05-08 | 5.3L |
| GTO | 05-06 | |
| HUMMER H3 | 08-10 | 5.3L |
| IMPALA | 06-09 | 5.3L |
| ISUZU ASCENDER | 05-06 | 5.3L |
| LACROSSE | 08-09 | 5.3L |
| MONTE CARLO | 06-07 | 5.3L |
| RAINIER | 05-07 | 5.3L |
| SAAB 9-7X | 05-09 | 8 cylinder |
| SAVANA 1500 VAN | 08-14 | 8-323 (5.3L) |
| SAVANA 2500 VAN | 08-12 | 8-323 (5.3L) |
| SAVANA 2500 VAN | 08-16 | 8-292 (4.8L) |
| SAVANA 2500 VAN | 17 | 4.8L |
| SAVANA 3500 VAN | 08-16 | 8-292 (4.8L) |
| SAVANA 3500 VAN | 17 | 4.8L |
| SIERRA 1500 PICKUP | 05-06 | 5.3L VIN B (8th digit opt L33) |
| SIERRA 1500 PICKUP | 07 | classic style (creased door skin) 5.3L VIN B (8th digit opt L33) |
| SIERRA 1500 PICKUP | 07 | style (smooth door skin) 4.8L |
| SIERRA 1500 PICKUP | 07 | style (smooth door skin) 5.3L |
| SIERRA 1500 PICKUP | 08-10 | 5.3L |
| SIERRA 1500 PICKUP | 08-13 | 4.8L |
| SIERRA 1500 PICKUP | 09 | 6.0L hybrid option (opt HP2) |
| SIERRA 1500 PICKUP | 10-13 | 6.0L |
| SIERRA 1500 PICKUP | 11-13 | 5.3L gasoline |
| SILVERADO 1500 PICKUP | 05-06 | 5.3L VIN B (8th digit opt L33) |
| SILVERADO 1500 PICKUP | 07 | classic style (creased door skin) 5.3L VIN B (8th digit opt L33) |
| SILVERADO 1500 PICKUP | 07 | style (smooth door skin) 4.8L |
| SILVERADO 1500 PICKUP | 07 | style (smooth door skin) 5.3L |
| SILVERADO 1500 PICKUP | 08-10 | 5.3L |
| SILVERADO 1500 PICKUP | 08-13 | 4.8L |
| SILVERADO 1500 PICKUP | 09 | 6.0L hybrid option (opt HP2) |
| SILVERADO 1500 PICKUP | 10-13 | 6.0L |
| SILVERADO 1500 PICKUP | 11-13 | 5.3L gasoline |
| SSR | 05-06 | |
| SUBURBAN 1500 | 07-09 | 8-323 (5.3L) |
| SUBURBAN 1500 | 10-14 | (5.3L) |
| TAHOE | 07 | |
| TAHOE | 08-09 | 4.8L |
| TAHOE | 08-09 | 5.3L |
| TAHOE | 08-09 | 6.0L |
| TAHOE | 10-14 | |
| TRAILBLAZER | 06-08 | 5.3L |
| TRAILBLAZER | 06-09 | 6.0L |
| TRAILBLAZER EXT | 05-06 | 5.3L |
| YUKON | 07-09 | 4.8L |
| YUKON | 07-14 | 5.3L |
| YUKON | 08-13 | 6.0L |
| YUKON XL 1500 | 07-14 | 5.3L |
Part Number: 12629058
Manufacturer: GM
Weight: 26.0000 lbs
Additional Details:
Genuine OEM Parts
Please research/ensure fitment of part to your specific vehicle before purchasing. Returns because of non-fitment are accepted with a re-stocking fee, however customer is responsible for return shipping.
Shipping:
If shipping outside the contiguous 48 states is required, reach out to [email protected] to confirm shipping details.
About Us:
Custard Core Supply provides the highest quality of new, new take off, used, and core parts. We provide a variety of gas and diesel parts to our customers. Based in Dallas, TX Custard Core Supply has been in business since 1998. If you do not see a product you are looking for on our page, please reach out!
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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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
4.9 ★★★★★
Based on 13 reviews
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Product Reviews
★★★★★ 4
Fluffy and Nice Omegaverse
Format: Kindle
… this would have made 5 stars but for 2 reasons.
A.) there were quite a few typos; misspelled words, missing quotations, “the his” mistakes, and various signs that maybe a proofread would do good.
B.) the writing was quite textbook. Late blooming omega is struggling with her new self, finds a absurdly wealthy pack of alphas, every thing is almost insta-love but she resists, then decides to love herself and let everyone be happy.
Rian was my favourite (obviously the author’s favourite too because he got the most page time) but I wish we could see more of his CEO side? He went to work maybe ONCE the entire time. Gray was supposed to be the “growly one” but he turned out to be puppy dog. Lucas was a genius brainiac doctor - but also super alpha with an aggressive hindbrain with a breeding k*nk?? And then there was no actual “breeding”??
Spice 3/5 - normally omegaverse books are super high on messy smut but this was tamer.
Romance 3/5 - insta-love that was then resisted because of personal hangup’s
Plot 2/5 - weird paced head hopping, showing the same scene from different POV’s that made me feel like it was 2 steps backward, 1 step forward.
Humour 4/5 - there were a dozen lines that genuinely made me chuckle out loud
Would have been five stars but the lack of proofreading and the predictable plot made me unable to get up to ADORED IT level - four stars is still and official ENJOYED IT, y’all. This isn’t a bad rating. The “Club Heat” has intriguing possibilities so I’m going to give the second one a shot.
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Reviewed in the United States on March 31, 2023
★★★★★ 5
Great book
Format: Kindle
I absolutely feel in love with all 4 characters!!! The bedroom scenes were 🌋🌡🔥🔥🔥. I couldn't put this book down!!! I'm hooked for the whole series Book 2 here I come!!!!! Its a fun easy book and story to read!!
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Reviewed in the United States on October 4, 2024
★★★★★ 4
Fun with a late blooming omega
Format: Kindle
I like this book. The story is fun, cute, and sexy. There's just a little drama, some excellent, steamy scenes, and a fairly good relationship building storyline. I especially like how all the main characters are a bit older than the usual 20 somethings I tend to see in this kind of book.
Having said that, I wish there were more descriptions of the places, as well as the food in the fancy restaurant. I enjoyed the cocktails at the club, so I missed that kind of detail when Gray took Madison on a dinner date. I also wish there had been more interaction between Lucas and Madison, and Lucas and Rian. It felt a bit lopsided, with a focus on Rian, Madison, and Gray.
I wish it had been proofread - there are a lot of typos, but nothing too distracting.
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Reviewed in the United States on September 12, 2022
★★★★★ 3
Madison Deserved Better
Format: Kindle
Madison was a beta...except she wasn't any longer. She was a late presenting Omega. And she was struggling. She was tall and thin, not tiny and curvy. She was opinionated. She was everything an Omega was not. After suffering through her first heat, her friends took her to Ardor, a club where Omegas came to safely find Alphas. She's not expecting much but then she connects with a sexy beta. And when she meets his Alphas, they set her body on fire. Maybe, she's found her no-strings-attached heat pack. Maybe, she's found something more.
I could not connect with the characters in this book, so their story never resonated with me. And there was no love story; there was sex. Grey made it clear from the beginning that he had a true love and it was his beta boy, Rian. He went so far as to reassure Rian “Say the word, I’ll never touch her again. Lucas can put the babies in her. I only need you, beta boy”. So, Madison was there for babies, no emotions needed. Nice. No, thank you. I want the Omega to be the center of their world, not an incubator. Lucas and Rian weren't any better. After her heat, they let her leave. Not one of them made her feel valued. No one gave her a reason to stay or even offered a cuddle. And the sex didn't even come across as mind-blowing. Madison deserved better.
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Reviewed in the United States on March 11, 2025
★★★★★ 5
No breakup, very sweet, instalove
Format: Kindle
Omegaverse and doesn't disappoint! Sweet guys, newly Omega FMC. The boyfriends are boyfriends. What's not to love? No angst, no breakup.
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Reviewed in the United States on February 23, 2025