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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1443 (Engine Mechanical - 4.2L (Ll8)) >> Description and Operation >> Engine Component Description >> Valve Train

Valve Train

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The engine utilizes dual overhead camshafts and roller followers for reduced friction, which results in improved gas mileage.

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