09021-20020 RACK, CONTROL Denso Cross

Grinding angles: Valve face angle ... 45°Valve seat angle ... 45°Valve head depth below cylinder head face: Minimum ... 1.02 mm (.040 in.)Maximum ... 1.27 mm (.050 in.)Service wear limit ... 1.52 mm (.060 in.)Overall length of valve ... 122.71 to 123.11 mm (4.831 to 4.847 in.)(5) Exhaust valve: Valve stem diameter ... 9.42 to 9.45 mm (.371 to .372 in.)Clearance of valve in guide ... 0.058 to 0.119 mm (.0023 to .0047 in.)Maximum permissible clearance of valve in guide (all models) ... 0.15 mm (.006 in.)Valve head diameter ... 37.26 to 37.52 mm (1.467 to 1.477 in.)Grinding angles: Valve face angle ... 45°Valve seat angle ... 45°Valve head depth below cylinder head face: Minimum ... 1.02 mm (.040 in.)Maximum ... 1.27 mm (.050 in.)Service wear limit ... 1.52 mm (.060 in.)Overall length of valve ... 123.11 to 123.52 mm (4.847 to 4.863 in.)(6) Maximum permissible depth of bore to grind the flare of the valve seat ... 2.69 to 2.79 mm (.106 to .110 in.)(7) Angle to grind flare of valve seat ... 33° (8) Use the dimensions that follow to machine the recess into the cylinder head for valve seat inserts not already installed in the head. Intake: A ... 7.19 to 7.32 mm (.283 to .288 in.)B ... 51.219 to 51.245 mm (2.0165 to 2.0175 in.)C (Radius) ... 0.38 mm (.015 in.)Exhaust: A ... 9.53 to 9.65 mm (.375 to .380 in.)B ... 42.62 to 42.65 mm (1.678 to 1.679 in.)C (Radius) ... 0.38 mm (.015 in.)