HKS Standard / Racing Wastegate Diaphragm

This is the HKS Standard / Racing Wastegate Diaphragm, part number 1499-RA057. This diaphragm is a replacement component for your HKS wastegate, crucial for maintaining proper boost control. It's designed to seal the wastegate actuator, ensuring it responds accurately to exhaust pressure and regulates turbocharger boost levels effectively.

When you're rebuilding or servicing your wastegate, having a fresh diaphragm is key. This part is made to HKS's specifications, ensuring it will work correctly with their wastegate assemblies. A properly functioning diaphragm helps prevent boost leaks and ensures consistent performance from your turbo system. It's a straightforward replacement part that makes a difference in how your engine manages boost pressure.