Eibach spring kit : Pro-Kit AUDI A4 Avant Quattro (8W5/B9)
https://www.rtec.ws/shop/e10-15-023-08-22-eibach-spring-kit-pro-kit-audi-a4-avant-quattro-8w5-b9-36147
https://www.rtec.ws/web/image/product.template/36147/image_1920?unique=39dd7d0
Reference :
E10-15-023-08-22