Your Edelbrock blower has dreams of pushing limits. Our SPE Pulleys are here to make those dreams a reality. Blower pulley changes are one of the easiest ways to make MORE POWER. But it's not just about making different sized pulleys, belt grip is a real concern. Enter our patent-pending CNC Convex Knurling Process (CKP). This isn't your average pulley; it's engineered to perfectly balance grip and belt longevity.
Under minimal boost, your belt enjoys smooth, light contact. But when you stomp the pedal and demand power, the CKP design locks the belt down harder and harder as boost increases. Forget competitors' flimsy laser etching that fades away. Our pulleys are built not to wear, meaning consistent performance, lap after lap, dyno pull after dyno pull. We invest in quality so you get the best product at the best price.
SPE has all the options for your perfect setup. For sizing, generally .100 smaller means about a 1 PSI boost increase (size does matter).
Not sure what's right for you? Just contact us!
Check It Out!: https://www.spemotorsport.com/collections/f150-superchargers-parts/products/edelbrock-8-rib-4-bolt-pulley
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