Table l-2. Repair and Replacement Standards - (Cont) Components Intake  valve  seat  inserts Bore in cylinder head for insert Depth of counterbore in head for insert (from bottom deck of head) Oversize  insert Exhaust and intake valve guides Length Inside  diameter  ream  after  assembly Stem-to-guide  clearance Exhaust Intake Guide  stand-out  from  bottom  of  counterbore in  cylinder  head Exhaust Intake Rocker  arms  - with  non-replaceable  bushings: Bore of rocker arm bushing (finish bore) Outside diameter of rocker arm shaft Rocker arm shaft -to-rocker arm bushing clearance Rocker  arm  ratio Camshaft: Bore  of  camshaft  bearing  (when  installed) Outside diameter of camshaft journals Camshaft  bearing-to-jourml  running  clearance Outside diameter of camshaft bearings Bore in cylinder block for bearing Fit of camshaft bearings in bore of cylinder block Manufacturer’s dimensions and tolerances  in inches Minimum 1.809 0.4585 0.005 -- -- 0.0015 0.0005 1.001 0.999 0.001 2.133 2.130 0.002 2.263 2.259 0.003 Maximum 1.810 0.4605 over standard 2-7/8 0.3725 0.002 0.001 1-3/32 25/32 L 002 1.000 0.003 1.51 2.136 2.131 0.006 2.265 2.260 0.006 inter- ference Maximum allowable wear and clearance ----- 0.002 0.010 ----- 0.0035 0.0025 + 0.010 — + 0.010 — 0.001 0.001 0.002 ----- 0.003 0.001 0.002 0.002 0.001 0.005 inter- ference 1-41