Chevy BBC 454 Gen 5 & 6 1991 - Up 1Pc RMS Rubber Oil Pan Gasket The shifter includes a lighted

The shifter includes a lighted gear position indicator in the bezel

and they may be reduced to fit if you decide to narrow your rear-end later on

and drag racing

They take the place of your head bolt washers and are hardened and chamfered

They're made from

Chevy BBC 454 Gen 5 & 6 1991 - Up 1Pc RMS Rubber Oil Pan Gasket The shifter includes a lightedSpeedmaster gaskets are designed for today's performance engines, which can create excessive amounts of vacuum and pressure in the oil pan. They're constructed from a cellulose nitrile material that features excellent tensile strength and superior blowout resistance, and their latex coating conforms to minor sealing surface irregularities for a better seal.