quick view Add to Cart Bypass Gasket (RH12756) Naturally aspirated cars MSRP: $6.95 This is the coolant bypass gasket between the bypass tube and the top of the volute casing. 1966-1980 Silver Shadow, T-series, Shadow II, T-2, Silver Wraith II1980-1986 Sliver Spirit, Sliver Spur, Mulsanne, Turbo R Add to Cart