Valve Seat
Fits Intake; 1-1/8 O.D.; 0.890T I.D.; 0.2370 Depth; Seat May Need To be Machined .020"-.030"or Intake; GLS Model; 1-1/8 O.D.; 0.890T I.D.; 0.2370 Depth; Seat May Need To be Machined .020"-.030"
Valve Seat
Fits Exhaust; 1-1/4 O.D.; 1.010T I.D.; 0.2570 Depth; Seat May Need To be Machined .020"-.030"or Exhaust; GLS Model; 1-1/4 O.D.; 1.010T I.D.; 0.2570 Depth; Seat May Need To be Machined .020"-.030"