Granatelli Motor Sports 540244 Water-Cooled 44mm External Wastegate

The Granatelli Motor Sports 540244 is a water-cooled diaphragm wastegate designed for high-performance turbocharged applications where precision boost control is critical. This 44mm external wastegate features an innovative water-cooling system that circulates coolant through the diaphragm housing, maintaining thermal stability and consistent performance even under extreme exhaust heat.

Key Features:

• True 44mm valve diameter for maximum exhaust flow capacity
• Water-cooled diaphragm housing eliminates thermal instability under high boost conditions
• Black anodized billet aluminum top cap for durability and corrosion resistance
• Heavy-duty cast stainless steel base with natural finish
• V-Band inlet and outlet flanges with clamps included for simplified installation
• Includes 7 PSI and 14 PSI springs for adjustable boost pressure control
• Traditional diaphragm design delivers proven reliability and precise regulation

Engineered for drag racing, high-performance street builds, and heavy-duty diesel applications, this wastegate prevents overboost conditions while maximizing horsepower output. The water-cooled design ensures harder runs, tighter boost regulation, and reliable performance when temperatures climb. Ideal for racers and enthusiasts who demand hardware that stays locked in under brutal heat and pressure.