Replace/upgrade your tire pressure monitoring system with the Hamaton Aluminum TPMS Service Kit designed for TRW Ram TPMS sensors. This high-quality kit includes an aluminum clamp-in valve stem, specifically engineered to fit .625-inch rim holes, ensuring a secure and airtight seal. Each kit also comes with a durable valve cap and screw to easily attach the valve stem to the sensor, making it the perfect replacement for your original equipment.