Description: 【Part Number】These valve covers feature integrated coil mounts designed specifically to fit Gen type LS coil bodies. Type LS Coil Body P/N's: : 12558948; MSD: 8262, 82628 (set of 8) / 82623, 826238 (set of 8); : D580. Type LS Coil Body P/N's: : 12570616; : 410004; Accel: 140043, 140043-8 (Set of 8) / 140043K, 140043K-8 (Set of 8); MSD: 8265, 82658 (set of 8) / 82653, 826583 (set of 8); : D510C.(Coils Not Included) 【Note】Valve cover mounting hardware and valve cover gaskets may be reused with these valve covers, but replacements may be necessary over time. Carefully inspect all components that will be reused before installation to determine if a replacement part may be necessary. 【Premium Material】 The valve cover set is made from premium Aluminum, ensuring wear resistance, durability, and long term use. 【Compatibility】 This valve cover set is suitable for Chevy LS1 LS2 LS3 LSX. 【Package Contents】 4 Valve Covers, 2 Rubber Rings, 2 Nuts, 8 Large Screws, 8 Long Screws, 16 Screws, 8 Black Rubber Rings, 16 Black Cylinders. Size Chart: Storage Box Size: 52cmx30cmx15cm/20.47inchx11.81inchx5.91inch Package Includes: 4 Valve Covers, 2 Rubber Rings, 2 Nuts, 8 Large Screws, 8 Long Screws, 16 Screws, 8 Black Rubber Rings, 16 Black Cylinders. Note: Please allow slightly errors 1-2cm differences due to manual measurement.