SKU: ALL 30126
UPC: 848238050653
MPN: ALL30126
The Radiator Cap 28-32 PSI Small Diameter by Allstar Performance is a crucial component for cooling systems in street rods, classic cars, and modified vehicles that utilize non-OEM radiators or custom cooling setups. This cap is designed to maintain optimal system pressure, which is essential for preventing coolant boiling and cavitation, particularly in high-performance engines and vintage builds.
Engineered to maintain a system pressure of 28–32 PSI, this cap plays a vital role in thermal management during demanding driving conditions. It is constructed to withstand thermal cycling and features precise spring tension tuning to open at the target pressure threshold, ensuring reliable resealing to maintain system integrity during temperature fluctuations.
Hot rodders, engine builders, and vintage car enthusiasts will find this cap indispensable when upgrading to modern aluminum radiators. Its small diameter is particularly beneficial for compact or custom radiator necks, making it a versatile choice for various aftermarket applications.
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