Our RIVA Yamaha SVHO/SHO HKS Blow-off Valve Kit improves supercharger reliability and performance by relieving unwanted pressure during off-throttle operation. Reduces supercharger clutch & gear wear and eliminates heat soak in discharge tube. High-strength silicone hose with integrated HKS valve installs easily in place of OEM elbow joint. Includes high-quality HKS Super SQV (Super Sequential Blow-off Valve) that features unique sequential valve structure and a differential pressure control system, allowing for a broad operation boost range. Also includes vacuum line and fittings necessary for installation on Yamaha SVHO & SHO engines. A simple and cost effective upgrade for both stock and modified engines running the original intercooler.
Key Features:Â
Genuine HKS Super SQV Blow-off Valve
Improves supercharger reliability and performance
Reduces supercharger clutch & gear wearÂ
Eliminates heat soak in discharge tube
Includes vacuum line and fittings necessary for installation on Yamaha SVHO & SHO engines
Recommended Add-on:
RIVA Vacuum Port Adapter Kit
RY12110-VPA
RIVA Supercharger Shaft Upgrade Kit
RY17040-UK-6S5-4