Divided T4 Copper Gasket

Much better sealing qualities over standard gaskets that leave residue or can’t be used once the Mylar coatings wear off!

Simple installation procedure can be done in two way.

Either by pre-annealing (Heat to 800*+ and submerge in water to soften)

Or

Getting the vehicle up to operating temperature and retorque the hardware

Surfaces must be flat and clean