Subaru Workshop Service and Repair Manuals

Valve Guide: Specifications

Cylinder Head:

Warpage Limit ....................................................................................................................................................................................................  0.002
Grinding Limit ....................................................................................................................................................................................................  0.004
Standard Height .....................................................................................................................................................................................................  3.87

Valve Guides:

Standard Inside Diameter ..........................................................................................................................................................................  .2362-.2367
Protrusion Above Head .................................................................................................................................................................................  .689-.709
Stem To Guide Clearance:

Intake ..................................................................................................................................................................................................  .0014-.0024
Exhaust ...............................................................................................................................................................................................  .0016-.0026

Valve Seats:

Seat Angle Degrees ..................................................................................................................................................................................................  45
Seat Width:

Intake ......................................................................................................................................................................................................  .028-.055
Exhaust ...................................................................................................................................................................................................  .039-.071