Explorer 2WD V6-245 4.0L VIN X SFI (1999)
Valve: Specifications
Valve stem to guide clearance exhaust 0.0008 - 0.0025 in
Valve stem to guide clearance intake
0.0018 - 0.0035 in
Head diameter intake
1.71 in
Head diameter exhaust
1.36 in
Valve face angle
44 deg
Valve face runout limit
0.002 in