2018 GMC Yukon XL equipped with 5.3L V8 Gas OHV, 5.3L V8 Flex OHV
1
Head Bolts Not Included Premium Valve Stem Seals Included PermaDry Molded Rubber Valve Cover Gasket(s) Included RTV Sealant Included for Upper Oil Pan Gasket
2018 GMC Yukon XL equipped with 5.3L V8 Gas OHV, 5.3L V8 Flex OHV
Head Bolts Not Included Premium Valve Stem Seals Included PermaDry Molded Rubber Valve Cover Gasket(s) Included RTV Sealant Included for Upper Oil Pan Gasket
2018 GMC Yukon XL equipped with 6.2L V8 Gas OHV, 6.2L V8 Flex OHV
1
Head Bolts Not Included Head Bolt Replacement Recommended Premium Valve Stem Seals Included PermaDry Molded Rubber Valve Cover Gasket(s) Included RTV Sealant Included for Upper Oil Pan Gasket
2018 GMC Yukon XL equipped with 6.2L V8 Gas OHV, 6.2L V8 Flex OHV
Head Bolts Not Included Head Bolt Replacement Recommended Premium Valve Stem Seals Included PermaDry Molded Rubber Valve Cover Gasket(s) Included RTV Sealant Included for Upper Oil Pan Gasket