Fuel and oll System. Intake Manifold Adapter For LS Cathedral Port Cylinder Head to LS3 LSA ZL1 CTS-V. For LS1, LS2, LS6, LR4, LM7, L59, LM4, L33, LQ4, LQ9, LY2, L20, LH6, LY5, LMG, LC9, LS4, LH8. Rectangle Port Intakes, Supercharger Or Blower. For LS3, L99, LSA, L94, L76, L77, L96, L98, L92, L9H, LY6, LFA, LZ1, LS9, LSX. NOT for raised port LS7 intakes. Vehicle compatibility charts are for REFERENCE ONLY. Check your vehicle with OEM. Below to match your needs. 100% quality assurance tested, more responsive, less expensive, easier to install. Responsible for sealing the intake manifold against the cylinder heads. Corrosion resistant and strong. The shape of the intake. Port of the head for proper air flow. N is simple and clear to understand, making it easy to operate. Material: made of high quality. (100% Brand New Never Used Or Installed). No installation guides are included, we highly recommend to seek professional installation. Will come with everything you see in the picture. Please allow difference due to manual measurement. The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. For any inquiries or special requests such as larger amount ordering please write to us. We are a company founded in 2012, focusing on the production and sales of Auto- parts. Our products are very popular in America and Europe. Our price is very competitive and our products are of good quality. If you need wholesale, please contact me, we will give you a more appropriate price.