Product Description
Genuine OEM GM Supercharger Lid Perimeter Gasket Seal.
These install on the blower lid itself, and will seal to your supercharger base. Fits all LSA and LS9 supercharger lids whether OEM or aftermarket.
Part number 12613457
NOTE: If you have a factory ZL1 or CTSV intercooler brick on your lid, you will also need the orange square seal to seal it to the supercharger. If you have a different aftermarket lid with its own intercooler core(s), then the orange seal is not required.
NOTE: These come installed on our GM ZL1 supercharger lids. Many aftermarket lids do not include this seal however.