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Fizzle Z4 Supercharger Impeller (30+ PSI) Fizzle Z3 Supercharger Impeller (27+ PSI) Fizzle Z2 Supercharger Impeller (21+ PSI)
Introducing the king of our drop-in supercharger impellers. Experience arm-stretching acceleration, blistering top speeds and instant throttle response with the Fizzle Z4 Supercharger Impeller! More torque and more horsepower = more fun!!

Weighing in at just 99 grams, this lightweight, precision machined billet aluminum supercharger packs a big punch!

Typical gains are 12 PSI more boost pressure and 700+ more RPMs over the OEM supercharger wheel and a more than 10% weight savings!

Our patent pending Fizzle Z4 Supercharger Impeller will boost 29+ PSI @ 9500 RPM and will max out at more than 30 PSI at higher RPM levels.

An aftermarket heavy duty supercharger shaft kit must be installed to use this high performance aftermarket supercharger impeller.
Experience arm-stretching acceleration, blistering top speeds and instant throttle response with the Fizzle Z3 Supercharger Impeller! More torque and more horsepower = more fun!!

Weighing in at just 98 grams, this lightweight, precision machined billet aluminum supercharger packs a big punch!

Typical gains are 9 PSI more boost pressure and 600+ more RPMs over the OEM supercharger wheel and a more than 10% weight savings!

The Fizzle Z3 Supercharger Impeller will boost 27+ PSI @ 9500 RPM and will max out at more than 28 PSI at higher RPM levels.

We HIGHLY recommend an aftermarket heavy duty supercharger shaft kit be installed on any setup and especially when switching to a high performance aftermarket supercharger impeller, such as this one.
Increase top speed, acceleration and throttle response with the Fizzle Z2 Supercharger Impeller! More torque and more horsepower = more fun!!

Weighing in at just 97 grams, this lightweight, precision machined billet aluminum supercharger packs a big punch!

Typical gains are 6 PSI more boost pressure and 400+ more RPMs over the OEM supercharger wheel and a more than 10% weight savings!

The Fizzle Z2 Supercharger Impeller will boost 24+ PSI @ 9300 RPM and will max out at more than 26 PSI at higher RPM levels.

We HIGHLY recommend an aftermarket heavy duty supercharger shaft kit be installed on any setup and especially when switching to a high performance aftermarket supercharger impeller, such as this one.
RIVA Yamaha Supercharger Shaft Uprgrade Kit Fizzle Z1 Supercharger Impeller (17+ PSI)
The RIVA Super-Duty GEN-4 SHO/SVHO Supercharger Shaft Kit provides the ultimate in reliability for high boost applications. Kit features a revolutionary hydraulic shaft stabilization bearing that limits shaft deflection and wear. Bearing stabilizes end of supercharger shaft via high pressure oil film dramatically increasing the stability of the system. Hydraulic end bearing and one-piece shaft bearing are fed by a through-shaft oiling system providing superior lubrication. Oil is delivered by braided stainless line and injected into a billet end cap that houses hydraulic bearing. Shaft is precision machined from a single piece of high-strength billet steel producing shaft, collar & gear as one piece. This eliminates the common failure point on stock shafts where OEM gear is pressed onto shaft. Shaft also features larger diameter threads & nut for added strength. Kit includes new one piece bearing with increased surface area providing improved torsional stability of shaft. Bearing features superior materials & finish treatment for reduced friction & abrasion resistance. This Shaft & Bearing Kit is a direct replacement for OEM parts and requires no additional modifications for use. Increase top speed, acceleration and throttle response with the Fizzle Z1 Supercharger Impeller! More torque and more horsepower = more fun!!

Weighing in at just 96 grams, this lightweight, precision machined billet aluminum supercharger packs a big punch!

Typical gains are 3 PSI more boost pressure and 200-300+ more RPMs over the OEM supercharger wheel and a more than 10% weight savings!

The Fizzle Z1 Supercharger Impeller will boost 21+ PSI @ 9100 RPM and will max out at more than 23 PSI at higher RPM levels.

This supercharger impeller is designed to give you that extra edge over a factory equipped ski.

We HIGHLY recommend an aftermarket heavy duty supercharger shaft kit be installed on any setup and especially when switching to a high performance aftermarket supercharger impeller, such as this one.