The BTR LS9 head gasket is a 7-layer multi-layered steel (MLS) gasket engineered to seal the cylinder head to the block on GM LS-Series engines. Built for budget power-adder builds, it has been proven reliable north of 1,000 horsepower. Sold as a pair, it is built to the bore and thickness specs required for a reliable, consistent seal and cross-references GM part # 12622033.
- Part Number: BTR22033-2
- Application: GM LS-Series (LS9), power-adder builds
- Material: 7-Layer Multi-Layered Steel (MLS)
- Sold As: Pair
- Bore: 4.100 in
- Compressed Thickness: 0.055 in
- GM Cross-Reference: 12622033
FAQ
What engine platform is this head gasket for?
This gasket is designed for GM LS-Series engines, specifically the LS9, and is sold as part number BTR22033-2.
How many gaskets come in this listing?
This listing includes a pair (two gaskets), enough for a complete engine's left and right cylinder heads.
What is the bore size and compressed thickness?
The gasket has a 4.100 in bore and a compressed thickness of 0.055 in, spread across 7 layers of multi-layered steel (MLS) construction.
Is this gasket suitable for high-horsepower builds?
Yes, this gasket is designed for budget power-adder builds and has been proven reliable north of 1,000 horsepower. It can be used in place of GM part # 12622033.
