Side Lay Spring (66.072.114) for Heidelberg GTO High-quality replacement Side Lay Spring designed specifically for Heidelberg GTO46 and GTO52 offset printing machines. As a professional supplier of Heidelberg offset machine parts, we provide reliable components to ensure optimal machine performance and help reduce your maintenance costs. Key Advantages Precision Engineering: Designed to meet original specifications for Heidelberg GTO series. Reliable Performance: Ensures