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Home >> Jeep >> 2008 >> Commander Base, 3.7 K, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (4.7L Engine (Service Information)) >> Cylinder Head-Right >> Valve Springs >> Description >> Valve Spring

Valve Spring

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The valve springs are made from high strength chrome silicon steel. The springs are common for intake and exhaust applications,except for the 4.7L H.O. which has unique intake and exhaust springs  . The valve spring seat is integral with the valve stem seal, which is a positive type seal to control lubrication.