Check the listing for details. Yamaha SVHO 20 PSI Supercharger (Replaces ET-20 RIVA20). Condition: New. Listed at 368.10 USD. Title Yamaha SVHO 20 PSI Supercharger Our 20 PSI Yamaha SVHO drop-in supercharger impeller delivers 20 PSI of boost at 8550 RPM. Precision CNC machined from lightweight aerospace grade aluminum and anodized in black. Equivalent boost and performance to the Yamaha SVHO ET-20 and RIVA20 supercharger impellers. Condition: Brand New ET20 RIVA20 supercharger Shipping We use UPS for shipping within North America. Delivery time is usually 2-3 business days. Next day delivery is available upon request. We will ship anywhere in the world. If your location is not shown as a valid shipping destination, please contact us. Taxes We collect applicable provincial sales tax for Canadian customers only. eBay may automatically collect taxes for other regions. ET20 RIVA20 supercharger