[Applicability]The part compatible with ANY Cathedral Port Heads and will adapt to ANY rectangle port intakes, supercharger or blower. Will not fit raised port LS7 intakes.Compatible with LS3 LSA ZL1 CTS-V Rectangle Port Intake Manifold Adapter.Not fit raised port LS7 intakes.Please carefully check your vehicle year/make/model by using the part finder/compatibility
[Part Number]Replaces EM-1021-S 551316.pls check the part components number whether match
[Advantage]These parts have the same functions as OE parts, please use them with confidence
[Note]Please check your part pictures with our pictures, it must be completely same. Or it will not fit your car. It will save your time and cost
[Service] If you have any questions or the items you received with problems, contact us directly
