Earls Stat-O-Seal - 178012ERL crossmember-back-exhaust 5 perforated core in a

5 perforated core in a 4" casing

and 4L85E WITH PRNDL Switch

1963-1964 Mercury Comet 4

6 V8 1972 - 1983 Plymouth Gran Fury 318/5

2L V8 1975 - 1978 Dodge W300   440/7

Earls Stat-O-Seal - 178012ERL crossmember-back-exhaust 5 perforated core in aOverview: The Stat O Seal is very simply the best sealing washer available. It consists of a synthetic rubber "O" ring mechanically locked to the I. D. of an aluminum washer. When tightened, the "O" ring is compressed, forcing the sealing surfaces around the bolt shank. They will form a positive seal over a temperature range of 85 to +450 F. They provide the advantages of an "O" ring type seal without the necessity of machining "O" ring grooves into