These new 25% underdrive pullies from powerbond will fit your 2010 Camaro(part# PBU1190-SS25).These pullies are part of the upgraded Black Series which feature forged steel hubs & rings for greater strength and improved dampening performance without increasing the overall weight. The black two stage finish offers far superior corrosion resistance to any clear coating and features easier to read laser etched timing marks. Match this pulley with an MTI Racing Belt Tensioner for a complete pulley system. With the extra adjustment the belt tensioner allows, you have many more belt lenghts to choose from.