Procharger supplies a longer crank pulley bolt due to the additional blower pulley that is bolted on. The crank bolt is installed with 35 lb-ft of torque and then turned 90 degrees.

The ProCharger kit included a 7.65-inch, 12-rib crank pulley that allowed sufficient impeller speeds, even when teamed with sizable blower pulleys. See All 18 Photos ...

On the first run, we decided to start off with the default 4.38-inch supercharger pulley, which came with the kit. Using Fourth gear, we were able to see 5.31 psig (pounds per square inch gauge ...

Because of the greater flow potential, the F-1A-94 supercharger was configured with a 4.5-inch blower pulley. Blowing through the same 850 blow-through carburetor, the new combination produced an ...

ProCharger has supercharger kits are compatible with automobiles made by companies ranging from Ford to Jeep to Toyota and more, and the output increase could be anywhere from 170 to 315 hp more ...

The company says the blower kit "is just around the corner." In a video posted on December 21, ProCharger showed what acceleration with its supercharged C8s looks like on a dyno.

The 2008 SEMA show is over, but the aftermarket parts keep coming, and ProCharger's latest addition - a foursome of forced-induction systems and kits - promises to breathe 150hp (112kW) or more ...

ProCharger is specialized in intercooled supercharger systems, and for the C7 Corvette, such a setup adds 180-plus horsepower to the tally. Given the similarities of the LT2 with the LT1, it’s ...

In true streetfighter tradition, Motus Design Director Brian Case stripped away much of the factory parts before adding the Procharger supercharger and 4-2-1 tri-Y stainless exhaust with titanium ...

Superchargers, on the other hand, are controlled by the engine. A belt pulley connected to the crankshaft turns the fan to get the compressed air.