Description: Material: Spark plug boot kit is made of ceramic material, which is strong and wear resistant to ensure long term performance and reliability Easy to Install: Spark plug boot terminal kit is easy to use, with high reliability and performance, saving time and effort : High performance spark plug boot kit, professionally manufactured, stable performance and long service life Applicable: 90 Degree spark plug boot terminal kit is suitable for 8 mm/0.31 inch wires Packing List: Auto Parts includes silicone plug bushings, wire bushings, spark plug terminals Specification: Material: Ceramic Size Chart: Packing size: 50 cmx5 cmx5 cm/19.69 inchx1.97 inchx1.97 inch Package Includes: 1x Spark Plug Boot Terminal Kit Note: Please allow slightly errors 1-2cm differences due to manual measurement.