Jackson Racing's Boost Upgrade gives your supercharged Honda/Acura a healthy shot of adrenaline! By spinning the supercharger faster, boost pressure is increased. The result is a 15-20% increase in horsepower and torque! Boost Upgrade includes: Boost Upgrade Crank Pulley, Belt, JR Boost Timing Controller, 160 degree Thermostat, Spark Plugs, and Instructions.

Boost Upgrades are not C.A.R.B. approved