Key features Precision Fit for Rancilio SilviaThis group head gasket is precision-engineered to match for Rancilio Silvia coffee machines with exact 73.5mm outer diameter, 58mm inner diameter, and 8.4mm thickness. The perfect dimensions ensure a leak-proof seal that restores optimal brewing pressure for rich, flavorful espresso every time. Food-Grade Silicone ConstructionCrafted from food-grade silicone, this group gasket is BPA-free and withstands temperatures from -65°F to 450°F. Unlike ordinary rubber that degrades over time, the durable silicone maintains flexibility and resists cracking for years of reliable service. Heat & Pressure Resistant PerformanceEngineered to handle constant high temperatures and pressure cycles, this silicone gasket delivers consistent sealing without hardening or losing elasticity. Whether you're a home barista or running a coffee shop, it keeps up with demanding daily use. Superior Sealing & Crema EnhancementThe soft yet resilient silicone creates a perfect seal between grouphead and portafilter, preventing pressure loss and water leaks. This silicone group head gasket ensures proper extraction for espresso with thick, golden crema—just like a professional machine. Easy Removal with Grooved DesignFour side wall grooves allow quick, tool-free removal and replacement. No more prying or struggling with stuck gaskets. The user-friendly design simplifies maintenance, saving you time and keeping your espresso machine in top condition. [ FIT FOR RANCILIO SILVIA] This group head gasket is meticulously crafted to match the exact dimensions of the Rancilio Silvia coffee machine. With an outer diameter of 7.35cm, inner diameter of 5.8cm, and thickness of 0.84cm, it ensures a snug and secure fit. Say goodbye to leaks and enjoy a seal every time you brew your favorite coffee.[FOOD GRADE SILICONE MATERIAL] Made from high-quality food grade silicone, this group gasket is safe for with your coffee. The precise workmanship ensures long-lasting durability, while the material's flexibility guarantees seamless compatibility with your machine's brew head. It’s a reliable choice for health-conscious coffee lovers.[HEAT AND PRESSURE ] Designed to withstand high temperatures and constant pressure, this softer silicone gasket excels in durability. It resists wear and tear, providing stable performance over extended use. Whether you’re a casual brewer or a barista, this gasket keeps up with your coffee-making routine without fail.[SUPERIOR SEALING PERFORMANCE] Experience enhanced brewing conditions with this gasket’s superior sealing capabilities. It restores optimal pressure and prevents leaks, ensuring your coffee is rich in flav Free shipping included. 30-day hassle-free returns.