Some info on the distributor felt that lubricates the cam for the points. Magnetti Marelli S159B distributor. Felt is doubled over when placed in the holder. Lubrication is with oil, not grease, to lightly coat the cam to minimize point block wear. Felt dimensions are 1 1/2" X 1/2" X 1/8". Image Unavailable, Please Login Image Unavailable, Please Login