Sale Low Stock or Special Order. Please contact us to confirm availability and to place order. Cometic Gasket Cometic Gasket PRO1001B Cometic Street Pro Chrysler 1966-78 440ci 1961-71 383ci Big Block Wedge Bottom End Kit MSRP: Was: $83.96 Now: $78.09 Low Stock or Special Order. Please contact us to confirm availability and to place order.