- Compatible with all gm ls, ls1, and ls2 engines (except ls3)
- Precision machined from 6061 t6 billet aluminum
- Fits factory size hose of 1.5 inches (38.1mm)
Elevate your engine's performance with our thermostat housing, machined from high-quality 6061 T6 billet aluminum. Specifically designed for all GM LS, LS1, and LS2 engines (excluding LS3), it ensures optimal compatibility and performance. With a perfect fit for factory size hoses of 1.5 inches (38.1mm), it's the ideal choice for upgrading your engine setup.