AJS Yamaha SVHO 17 PSI Supercharger (Replaces ET-17 RIVA17) AJS-17

AJS Yamaha SVHO 20 PSI Supercharger (Replaces ET-20 RIVA20) AJS-20 Our 20 PSI Yamaha SVHO drop-in supercharger impeller delivers 20 PSI of boost at 8550 RPM.Precision CNC machined from lightweight...

Riva Yamaha SVHO Supercharger Impeller 17 PSI RY17080-SCI-F17 Presenting the ultimate (drop-in) supercharger impeller for the Yamaha SVHO Engine! Designed to deliver more horsepower and torqu

YAMAHA SVHO FIZZLE Z1 SUPERCHARGER WHEEL   FITS: ALL SVHO MODELS   Increase top speed, acceleration and throttle response with the Fizzle Z1 Supercharger

AJS Yamaha SHO SVHO Lightweight Titanium Valve Retainers AJS-LIGHTWEIGHT Our all new custom premium extra strong Yamaha 1.8L titanium valve retainers.Designed for ultra-high RPM applications our...

AJS Yamaha SHO SVHO Forged Connecting Rods Our Yamaha Waverunner 1800 connecting rods are precision machined from high strength forged 4340 steel.Rated for high boost supercharger and turbo...

Sea-Doo 135mm 17.5 PSI 300 Supercharger AJS-135 Our 135mm Sea-Doo 300 drop-in supercharger impeller delivers 17.5 PSI of boost at 8800 RPM. Precision CNC machined from aerospace grade 7075 aluminum...

AJS Sea-Doo 300 142 Supercharger 23 PSI (Replaces ET142 RIVA XXX) AJS-142 Our Sea-Doo 300 supercharger impeller delivers huge performance gains over stock from it's 23 PSI of boost at 9200 RPM...

AJS Sea-Doo 300 19 PSI Supercharger Impeller Kit AJS-135R Delivering an amazing 19 PSI of boost in the 8800 RPM range, our AJS-135R Sea-Doo 300 drop-in impeller will take your Sea-Doo to the next...

AJS Sea-Doo 230 / 255 / 260 137mm Supercharger 15 PSI (Replaces ET137 RIVA XX) AJS-137 Our 137mm Sea-Doo 230 / 255 / 260 drop-in supercharger impeller delivers 15 PSI of boost at 8800 RPM.Precision...