Description
Part Number: AF49-1143
AeroFlow GM LS1 & LS2 Hi-Flow Thermostat (160°F / 71°C)
Optimise your GM LS engine’s cooling system for maximum thermal performance with AeroFlow’s 160°F high-flow thermostat.
Key Features
- ☑ Lower Opening Temperature: Opens at 160°F (71°C) to start coolant flow earlier than stock units, keeping engine temperatures lower under high load.
- ☑ Enhanced Engine Efficiency: Lower operating coolant temperatures boost thermal and volumetric efficiency for improved power output.
- ☑ High-Flow Design: Engineered to maximize coolant circulation and reduce thermal hotspots in performance GM LS engines.
- ☑ Durable Construction: High-grade copper and steel components resist corrosion and sustain performance under extreme conditions.
- ☑ Direct Drop-In Replacement: Factory-style fitment designed to drop straight into OEM and compatible aftermarket water necks with no custom mods.
- ☑ Gasket Included: Supplied complete with a dedicated replacement rubber seal for a leak-free installation.
Technical Specifications
| Brand | AeroFlow Performance |
|---|---|
| Manufacturer Part Number | AF49-1143 |
| Opening Temperature Rating | 160°F (71°C) |
| Material Construction | Copper / Steel |
| Engine Compatibility | GM LS1, LS2, LS6, L76, L77, L98, LS3 (with separate thermostat & water housing) |
| Seal Included | Yes (Rubber Gasket) |
What’s Included in the Box
- 1 x AeroFlow GM LS 160°F Hi-Flow Thermostat (AF49-1143)
- 1 x Rubber Sealing Gasket
Tested on track and street builds alike, AeroFlow Performance delivers uncompromising cooling components built for motorsport reliability. Buy the AF49-1143 thermostat with confidence from JP Racing, backed by our UK technical support and prompt nationwide dispatch.
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