Lokar X1208147 Black Finish Bottom Assembly Transmission Dipstick with Lock for GM TH-350/TH-400 Transmission GM... Midnight Series, Black Stainless Steel This is a spare or replacement fitting for quick transmission changes. This fitting allows you to use your Lokar Anchor-Tight Dipstick on multiple transmissions easily by simply plugging your dipstick housing into this "spare" fitting after a trans swap for a secure leak-free connection. You can also keep your tranny sealed up while in storage or transport by snapping the storage plug (that is included with the purchase of an Anchor-Tight Flexible...