Earl's Performance Stat-O-Seal, 3/4" I.D., Fits 8 AN Fitting, Package Of 2 178012ERL engines These headers work with 6

These headers work with 6 speed automatic and manual transmissions without modification

3 and 4-speed automatic transmissions by simply replacing the hardened steel gate plate and applicable bracket and lever

These harmful elements cause abrasive wear to the polished shaft

Each arm is forged from aircraft-quality 2024 billet aluminum

Hedman Hedders Black Mid-Length Headers For '64-73 Mustang

Earl's Performance Stat-O-Seal, 3/4" I.D., Fits 8 AN Fitting, Package Of 2 178012ERL engines These headers work with 6The 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 the part.