Ensure reliable sealing performance. Helps prevent fluid loss and contamination. Made of premium quality materials for durability and performance. Rigorously inspected to perform up to vehicle standards. Application-specific design for a perfect fit. 2004 Buick Rainier 5.3L. Best choice of motor parts. Buick Rainier 5.3L. 2004 GMC Envoy XUV 5.3L. Multiple Layers Steel (MLS) Head Gasket. 30 Cylinder Head Bolts. 16 Long Bolts: 150mm, 4 Short Bolts: 100mm, 10 Small Bolts: 45mm. Please check and confirm the item is work for you before purchasing, thanks! Engine Full Gasket Set, Engine Cylinder Head Bolts. Multiple Layers Steel (MLS). HS26191PT, HS26191PT-1, HS26190PT-2, CS9284, ES72173. Cylinder Head Bolts Included. AFM valley pan gasket use to replace perimeter seal only. OE Spec or Performance/Custom. Kit or Single Part. Unsurpassed quality you can trust. Head Gasket Kit Set (including bolts). Easy Installation, Convenient Use, Easy Operation. Head bolts is included. Please Note: Please write us a message before your return, otherwise we will not accept the package. Any product you return must be in the same condition you received it and in the original packaging. We care about our valued buyers, if you have any questions, our Customer Service staff will be very glad to help you. We understand the concerns and frustrations you might have, and will do our endeavor to resolve the issues.