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Home >> Subaru >> 2022 >> WRX Base, Standard Trans >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical System >> General Description >> Specification >> Valve & Valve Shim

Valve & Valve Shim

Valve stem end outer diameter mm (in) Intake Standard 5.455 - 5.470 (0.2148 - 0.2154)
Exhaust Standard 5.445 - 5.460 (0.2144 - 0.2150)
Valve shim inner diameter mm (in) Standard 5.500 - 5.560 (0.2165 - 0.2189)
Clearance between valve and valve shim mm (in) Intake Standard 0.030 - 0.105 (0.0012 - 0.0041)
Exhaust Standard 0.040 - 0.115 (0.0016 - 0.0045)