Seller notes

Supercharger Intake gaskets for 4.4L LC3 Northstar XLR-V and STS-V GM Part number 12590737. These go between the supercharger and the cylinder head. Sold in pairs. These are reproductions as the OEM gaskets are discontinued. These are as close to OEM as you will be able to find and will perform flawlessly keeping boost and vacuum both under control without leaks. These are coated with genuine Viton® rubber to ensure proper sealing. In stock and ready to ship! *Note, you will need to use the ret...

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