Eibach spring kit : Pro-Kit AUDI A4 Avant (8E/B6/B7)
https://www.rtec.ws/shop/e10-15-003-08-22-eibach-spring-kit-pro-kit-audi-a4-avant-8e-b6-b7-25348
https://www.rtec.ws/web/image/product.template/25348/image_1920?unique=c6ab95a
Reference :
E10-15-003-08-22