K 2500 Truck 4WD V8-6.5L DSL Turbo VIN S (1998)
Valve Seat: Specifications
Seat Width (Intake) ........................................................................................................................................... 0.8900-1.5300 mm (0.0351-0.0603 inch)
Seat Width (Exhaust) ........................................................................................................................................ 1.5700-2.3600 mm (0.0618-0.0930 inch)