Granatelli Motor Sports High Flow Thermostat - Hemi Engines

Granatelli High-Flow Thermostat – Hemi Engines (5.7L, 6.1L, 6.2L, 6.4L, Including Hellcat)

Unlock better performance and protect your investment with the Granatelli High-Flow Thermostat, specifically engineered for Hemi engines. Built with premium copper, brass, and stainless-steel components, this thermostat is designed to outlast and outperform stock units—delivering reliable cooling when your engine needs it most. It helps your engine reach optimal operating conditions faster and keeps it running cooler under load, reducing the risk of heat-related damage during spirited driving or high-performance use. The high-flow design ensures maximum coolant circulation, promoting efficiency, longevity, and consistent performance.

Key Features:

• Direct OEM replacement—hassle-free installation
• High-flow rate for superior cooling efficiency
• Premium copper/brass/stainless-steel construction for long-term reliability
• Helps maintain safe operating temperatures under demanding conditions
• Ideal for performance builds, track use, or anyone wanting extra peace of mind