Grand Marquis V8-255 4.2L (1982)
Valve Seat: Specifications
Seat Angle
45 deg
Seat Width, Intake
.060-.080 in
Seat Width, Exhaust
.060-.080 in
Runout
0.002 in
Valve Seat: Specifications
Seat Angle
45 deg
Seat Width, Intake
.060-.080 in
Seat Width, Exhaust
.060-.080 in
Runout
0.002 in