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Jeep
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1989
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Wrangler L6-258 4.2L VIN M 2-bbl
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Repair and Diagnosis
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Specifications
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Mechanical Specifications
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Engine
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Cylinder Head Assembly
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Valve Spring
Valve Spring
Free Length
1.99 Inch (in)
Installed Height
1.786 Inch (in)
Pressure
188 at 1.411 Pound Force At Inch (lbf @ in)