SPE 2020+ GT500 Pulley Kit with Titanium Hub & Install Tools

SPE 2020 GT500 Pulley System with Titanium Hub & Install Tools SPE knows that the average person wants more than 11-12 PSI of boost from their 2020+ GT500. SPE has wasted no time developing a seamless, adjustable, and lightweight solution.  Pulley The SPE pulley system allows the customer to quickly change sizes with ease. This pulley system is the lightest available. You can find the SPE Motorsport pulley setups on the fastest stock blower cars in the country. The patent pending CNC Convex Knurling process (CKP) on the SPE pulleys offers a perfect balance between belt grip and wear. The machining process allows the rib surface to offer varying grip under different belt loads. Under minimal boost (light Throttle) the belt tension is lower at the pulley face. The process offers a low load area for the belt to have normal factory like contact on the rib face allowing the belt to wear less over time. When load is applied it is wedged down into the Convex knurling the grip becomes mor