M2 Alloy Steel, 1.691" x 1.250" x .375" (1.691" is the actual measured OD)
Hard Valve Seats, set of Two
Application: Universal, Perkins
Quantity
This size seat is from Precision Engine Parts # M2-1690E-1
Replacement seat for Perkins 236, 248 & 354 Diesel exhaust.
These seats have a unique shape where the topside is counterbored so the valve to sit below the gasket surface.
Sizes:
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