LT Sport SN#100000000758-0843-215 for Infiniti G37 Gunmetal 6 SPD Shift Knob + Boot Cover Fit: 03-11,03-08,91-96,03-08,96-01,90-06,97-03,04-11 Infiniti FX35/FX45/G20/G35/I30/Q45/QX4/QX56 Packing Included: 1set Zinc Alloy Shift Knob Combo The 6-Speed Manual Shift Knob Includes 3 PVC Adapters. Shift Boot Dimension: 8.5" (Bottom to top) / Diameter: 0.625" (Ring Opening). Upgrades the Interior Apperance of Your Vehicle. Improves Driving Experience and Provides a Quicker & Smoother Shifting. Professional Install is always requested: Fit for most 6-speed manual Vehicles only