RIVA Washer Upgrade Kit — Engine Service Deck Enhance appearance and durability with the RIVA Washer Upgrade Kit for your engine service deck. Precision-machined from premium stainless steel and electropolished...
RIVA Performance Valve Guide Kit — Durable, High-Performance Valve Guides Brand: RIVA Upgrade your Yamaha engine for racing and high-performance use with the RIVA Performance Valve Guide Kit. Engineered from...
RIVA Impeller Shaft Holding Tool Secure, precise, and built for Yamaha SHO & SVHO superchargers. The RIVA Impeller Shaft Holding Tool is precision-machined to lock the impeller gear in place,...
RIVA Clutch Drive Holding Tool Professional-grade tool designed for Yamaha SHO/SVHO superchargers. The RIVA Clutch Drive Holding Tool secures the lower supercharger drive gear on the crankshaft so the main...
RIVA Vacuum Port Adapter Kit Quickly and cleanly add vacuum/boost accessories — the RIVA Vacuum Port Adapter Kit provides a simple, direct solution for installing blow-off valves, fuel pressure regulators,...
RIVA Shim Kit for Sea-Doo Superchargers (2008+) Precision calibration for modified Sea-Doo superchargers. The RIVA Shim Kit lets tuners and performance enthusiasts fine-tune slip moment and clutch engagement on models...
RIVA Vacuum Port Adapter Simple, reliable vacuum and boost plumbing for performance engines. The RIVA Vacuum Port Adapter kit makes installing blow-off valves, fuel pressure regulators, boost gauges and other...
RIVA TR1 Intake Manifold Upgrade Kit Unlock more horsepower for your TR-1 naturally aspirated engine with the RIVA TR1 Intake Manifold Upgrade Kit. Engineered to increase airflow and improve throttle...