1. Universal Compatibility: Our camshaft retainer plate gaskets are designed to compatible with for Gen 3, for Gen 4, and for Gen 5 and engines, ensuring a seamless match for a wide range of models including for LSX LS1 L83 L86 L87 L84 LT4 LQ4 LQ9 LS3. 2. High-Performance Sealing: Paired with the 134-1003 high-performance series cam bolts, these camshaft mount plate seals deliver exceptional sealing properties and durability to withstand demands of your engine while preventing the intrusion of harmful substances. 3. Camshaft Stability: These camshaft thrust retainer plate gasket seals maintain the camshaft in the correct position during installation, ensuring proper clearances and coordinated operation of engine components for reliable performance. 4. Engine Fit: Specifically for engines sized 4.8L, 5.3L, and 5.7L, our replacement camshaft gaskets provide a custom fit for these popular models, ensuring a high-quality seal and fitment. 5. Material Construction: Manufactured from superior quality materials, our gaskets are built to resist and wear, offering long-lasting reliability and performance in your engine assembly. Name:Camshaft Fixing Plate Gasket Type:Auto parts Part Number:12589016S Fitment:For 4.8L 5.3L 5.7L Colour:Black Material:Metal Package Contents: 1 * Camshaft fixing plate gasket 4 * screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.