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The Racing BTR LS3 5-Layer MLS Head Gaskets are premium multi-layer steel gaskets designed for 1999-2013 LS-based 6.0L and 6.2L engines. Featuring a precise .051" compressed thickness and advanced 5-layer construction, they deliver superior sealing, durability, and heat resistance compared to factory 3-layer gaskets. Perfect OEM fitment ensures easy installation and reliable performance, making them the go-to upgrade for Buick, Chevrolet, Cadillac, Hummer, and GMC LS engine enthusiasts seeking enhanced compression and leak prevention.













| ASIN | B0DCG5B44T |
| Best Sellers Rank | #72,370 in Automotive ( See Top 100 in Automotive ) #20 in Automotive Replacement Head Gasket Sets |
| Brand | MWBJ |
| Brand Name | MWBJ |
| Color | Chrome |
| Customer Reviews | 4.1 out of 5 stars 64 Reviews |
| Item Shape | Square |
| Manufacturer | MWBJ |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model | 12622033 |
| Number of Items | 2 |
| Part Number | 107 |
| Shape | Square |
J**S
I would definitely recommend it.
The quality is impressive; all gaskets fit perfectly without any modifications. Installation was very simple, with all parts aligning perfectly during assembly. The engine runs strong and stable after assembly, with excellent compression ratios in all cylinders. So far, I haven't encountered any oil or coolant leaks.
K**Z
very good.
I am very satisfied with this purchase and would recommend it. The MLS structure, typically constructed of multiple layers of steel, is designed to improve durability, heat resistance, and sealing consistency under high pressure and high temperature conditions—it's fantastic.
P**F
Junk cheap Chinese
They deserve O stars Chinese made junk go with AC delco or Felpro
S**N
Headgasket
The first set i purchased was missing a headgasket. The second set they sent went on great and zero issues so far.
J**H
Fine Chinese gaskets
Finest chineseium. Looks like BTR and MMS. Used them quite a few times without any issue.
Trustpilot
1 month ago
1 day ago