The GKTECH aluminium spark plug cover is a direct replacement of the standard unit and allows your coil packs to breathe easier without showing them off to the world. Our design is simple, yet is probably the most incredibly good looking design available. - CNC laser cut 2mm aluminium plate - CNC machined recessed mounting points for a cleaner look - Dimple died for ridgidity and style points Available in either silver or black Vehicle Compatibility: Nissan S14 Silvia (SR20 VCT only) Nissan S15 Silvia (SR20 VCT only)