Description: - This Intake Manifold Spacer is Specifically Designed to help Increase the Manifold's Capacity and Lower the Intake air Temperature - Made out of thermal polymer, which provides dramatic heat insulating properties, and easily installs between the factorys intake manifold. - Easy Installation, Direct Replacement, has a Long Service life - Compatible with 350Z Coupe Roadster, for G35 Sedan Coupe 5/16 Inch Intake Manifold Plenum Spacer . Give an extra gift - Before Purchasing this product, Verify the Model You Purchased Specification: - Material: Rubber + Iron + Copper - Size:20 x 15 x5cm/7.9 x 5.9x 2.0 inch - Part Number: - Fitment: - For 350Z coupe 2002-2008 - For 350Z roadster 2003-2009 - For Infinit G35 sedan 2003-2006 - For Infinit G35 coupe 2003-2007 Package Includes: 1x Thermal Shield Plenum Spacer Kit : 1.Please allow 1~3 cm error due to manual measurement, thanks. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.