0.40mm for both inlet and exhust when cold on 4jb1, 4jh1 engines
valve clearance for Isuzu 4ba1 engine is 17.00.
Valve clearance 12pc1
.5mm
12
0.015"
o.016"
0.025mm straight
0.015"
Valve clearances 4bd1
the clearance of intake valve as far as i know is .18 in.
16mm street
22 mm