Valve Seats

The Enginetech ST18122 is a 4-pack of valve seats engineered as a stock replacement for 1974-2001 Ford, Mazda, Mercury, Merkur engine applications.Important NotesSold as a 4-pack.Seat angle: 45deg - confirm head casting matches specified angle before...

The Enginetech ST181221N is a 4-pack of exhaust-side nickel-alloy valve seats engineered as a stock replacement for 1980-1998 Chevrolet, Ford engine applications.Important NotesSold as a 4-pack.Application side: Exhaust valve position - confirm you are...

The Enginetech ST18123 is a 4-pack of intake-side valve seats engineered as a stock replacement for 1955-1996 Buick, Cadillac, Chevrolet, Ford and more engine applications.Important NotesSold as a 4-pack.Application side: Intake valve position - confirm...

The Enginetech ST18124 is a 4-pack of valve seats engineered as a stock replacement for 1961-2000 American Motors, Buick, Cadillac, Chevrolet and more engine applications.Important NotesSold as a 4-pack.Universal intake/exhaust fitment: this seat is...

The Enginetech ST18124N is a 4-pack of exhaust-side nickel-alloy valve seats engineered as a stock replacement for 1971-2000 Chevrolet, GMC engine applications.Important NotesSold as a 4-pack.Application side: Exhaust valve position - confirm you are...

The Enginetech ST181255 is a 4-pack of intake-side valve seats engineered as a stock replacement for 1985-2005 Buick, Chevrolet, GMC, Isuzu and more engine applications.Important NotesSold as a 4-pack.Application side: Intake valve position - confirm you...