The manifold spacer is made out of thermal polymer, which provides dramatic heat insulating properties;Power and throttle response are increased;Ideal for Nissan 350Z;Not compatible with RevUp or HR engines

• Blox Racing (BXIM-40200) 5/8 Thermal Shield Manifold Spacer for Nissan 350Z/Infiniti G35

Blox Racing (BXIM-40200) 5/8 Thermal Shield Manifold Spacer for Nissan 350Z/Infiniti G35Blox Racing