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SERVICE DATA AND SPECIFICATIONS (SDS) EM-269 < SERVICE INFORMATION > [VK45DE] C D E F G H I J K L M A EM N P O CYLINDER HEAD Unit: mm (in) Valve Dimensions Unit: mm (in) 827U 8.27 (0.3256) 828U 8.28 (0.3260) 829U 8.29 (0.3264) 830U 8.30 (0.3268) 831U 8.31 (0.3272) 832U 8.32 (0.3276) 833U 8.33 (0.3280) 834U 8.34 (0.3283) 835U 8.35 (0.3287) 836U 8.36 (0.3291) 837U 8.37 (0.3295) 838U 8.38 (0.3299) 839U 8.39 (0.3303) 840U 8.40 (0.3307) Identification (stamped) mark Thickness mm (in) Items Standard Limit Surface distortion Less than 0.03 (0.0012) 0.1 (0.004) PBIC0183E Items Standard Valve head diameter “D” Intake 36.0 - 36.3 (1.417 - 1.429) Exhaust 31.2 - 31.5 (1.228 - 1.240) Valve length “L” Intake 96.57 (3.8020) Exhaust 94.50 (3.7205) Valve stem diameter “d” Intake 5.972 - 5.980 (0.2351 - 0.2354) Exhaust 5.962 - 5.970 (0.2347 - 0.2350) Valve seat angle “ α ” Intake 45 ° 15 ′ - 45 ° 45 ′ Exhaust |