RPM® Micro-V® Belts | Gates CorporationSpecially-engineered to deliver optimum boost from forced induction engines, these belts feature the most advanced technology to reduce heat, noise, vibration, The difference in Gates belt types (standard and RPM) for you May 31, 2017 — And yes, this is all about Gates belts - and yes - there are other belts out  Then there's the RPM belt that is marketed for supercharger 
Gates-K080505HD Belt : Automotive APPLICATIONS FOR GATES RPM BELTS. Racing, Performance, Muscle. Advanced, exact-fit and precision-ground belt profile. Two layers of adhesion gum for maximum Gates Performance Micro-V® Supercharger BeltsGates RPM Micro-V® Belts have an advanced construction with the latest innovative materials to live up to the demands of high-performance vehicles.