RAM 3500 Truck 2WD V8-5.7L VIN D (2003)
Valve: Description and Operation
INTAKE/EXHAUST VALVES & SEATS
DESCRIPTION - VALVE GUIDES
The valve guides are made of powered metal and are pressed into the cylinder head. The guides are not replaceable or serviceable, and valve guide
reaming is not recommended. If the guides are worn beyond acceptable limits, replace the cylinder heads.
DESCRIPTION
Both the intake and exhaust valves are made of steel. The intake valve is 50.93 mm (2.00 inches) in diameter and the exhaust valve is 39.53 mm (1.55
inches) in diameter. All valves use three bead lock keepers to retain the springs and promote valve rotation.
