Features: 1. Excellent quality, stable performance, high security, you can rest assured that use. 2. Made of high‑quality iron material, it is durable, wear‑resistant, anti‑aging and corrosion resistance. 3. In line with professional production standards, exquisite workmanship, can be perfect for your generator. 4. Installation and replacement method is simple, can directly replace old or damaged parts. 5. It is very suitable for generators for farming, breeding farms, construction sites, and garden sites. Specification: Condition: 100% Brand New Item Type: Valve Rocker Arm Set Material: Iron Color: As shown in the picture Weight: Approx.350g/12.3oz Fitment: Fit for 188F/190F Fit for GX390/GX420 Application: Farming, breeding farms, construction sites, and garden sites generators. Package List: 3 x Set of Valve Rocker Arm(8pcs/set, total 24pcs) Features Excellent quality and stable performance for reliable use Made of high-quality iron material for durability, wear-resistance, and corrosion resistance Complies with professional production standards and Features exquisite workmanship Simple installation and replacement method for easy maintenance Suitable for generators in farming, breeding farms, construction sites, and garden sites