

Granatelli Motorsports
2014-2026 GM, Chevrolet, LT Engine High-Flow Thermostat - 180 Degree
2014-2026 GM, Chevrolet, LT Engine High-Flow Thermostat - 180 Degree
20 Verrall Crescent
20 Verrall Crescent
Berri SA 5343
Australia
Granatelli High-Flow Thermostat – 180°F | GM LT Engines (2014–2026)
NOTE: NOT suitable for GMS Billet thermostat housing.
Unlock better performance and protect your investment with the Granatelli High-Flow Thermostat, specifically engineered for 2014–2026 GM LT 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.
With a 180°F opening temperature, 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 temps under demanding conditions
- Ideal for performance builds, track use, or anyone wanting extra peace of mind