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Home >> Jeep >> 2012 >> Compass Limited, AWD, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 398 (5.7L Engine (Service Information)) >> Specifications >> Engine Specifications >> Valves
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Engine Specifications: Valves

WARNING: This page is about a different car, the 2015 Chrysler 300. However, it is still accessible from the selected car via links, so may be relevant.
VALVES

DESCRIPTION SPECIFICATION
  Metric Standard
Face Angle 45.0° - 45.5°
Head Diameter  
Intake 51.94 - 52.20 mm 2.04 - 2.06 in.
Exhaust 39.27 - 39.53 mm 1.55 - 1.56 in.
Length (overall)  
Intake 130.87 - 131.51 mm 5.152 - 5.178 in.
Exhaust 130.101 - 130.741 mm 5.122 - 5.147 in.
Stem Diameter  
Intake 7.935 - 7.953 mm 0.312 - 0.313 in.
Exhaust 7.932 - 7.950 mm 0.312 - 0.313 in.
Stem - to - Guide Clearance  
Intake 0.022 - 0.062 mm 0.0009 - 0.0024 in.
Exhaust 0.025 - 0.058 mm 0.0010 - 0.0023 in.
Valve Lift (@ zero lash)  
Intake 12.0 mm 0.472 in.
Exhaust 11.70 mm 0.461 in.