1998 Buick Riviera equipped with 3.8L V6 Gas OHV Supercharged
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2nd Design Head Bolts Must be Replaced Head Bolts Not Included Premium Valve Stem Seals Included PermaDry Molded Rubber Valve Cover Gasket(s) Included Intake Manifold Gaskets with Rubber-Plastic End Seals with Locating pins
1998 Buick Riviera equipped with 3.8L V6 Gas OHV Supercharged
2nd Design Head Bolts Must be Replaced Head Bolts Not Included Premium Valve Stem Seals Included PermaDry Molded Rubber Valve Cover Gasket(s) Included Intake Manifold Gaskets with Rubber-Plastic End Seals with Locating pins