DescriptionThis is a fuel rail plug valves kit, which is made of alloy steel and rubber materials. It has a durable texture and can serve you for a long time. It is made of excellent craftsmanship, compact and practical, and can effectively help you achieve the low fuel rail pressure caused by insufficient spring pressure of the decompression valve. This is a very good auto accessory, and it will be your good choice.Features-Color: Silver.-Material: Alloy Steel, Rubber. -Size: About 3.80X2.07X2.07cm/ 1.49X0.81X0.81inch. -It is made of alloy steel and rubber materials, safe and durable, with excellent texture. -The product will help maintain fuel rail pressure under heavy engine loads. -Reasonable design, high efficiency and practicality, will enable your engine to produce maximum output. -It is made of excellent craftsmanship, durable and wear-resistant, and will not be easily damaged. -Easy to operate, convenient and practical, and can be easily replaced.