BLACK 90* SPARK PLUG CAP RUBBER. • Rubber waterproof covers and positive attachment mechanisms on both ends for shake-proof grip•Accept up to 8mm plug wire•Has no resistance.•T: Special 90 degree elbow•Fits 14mm threads•For terminal nut•Rubber sheathed•For recreational/anti-vibration - Meets or exceeds OEM quality.- Direct oem replacement.- Designed to handle increased power loads.- Best value for money- All are made to OEM specifications and match the original equipment in appearance.- Please check the image before ordering to avoid mistakes.- FIR products are a high quality replacement part and carries our guarantee of your satisfaction.- Easy to install but if unsure please use a professional FIR [FACTORY IMAGE RACING] Part No. 37-000.BK Cross reference numbers ONLY. NGK TB05EMA Replica Spark plug caps. 01-109-24,