Home / ECS Supercharger Kit Parts / 2010-13 Corvette LS3 GS / Tensioner Parts / ECS C5/C6 8-Rib Kit Tensioner Idler Pulley View cart “ECS C5/C6 Updated AC Tensioner” has been added to your cart. ECS C5/C6 8-Rib Kit Tensioner Idler Pulley$99.00 - ECS C5/C6 8-Rib Kit Tensioner Idler Pulley In stock (can be backordered) ECS C5/C6 8-Rib Kit Tensioner Idler Pulley quantity Buy now SKU: ECS-100-248 Categories: Tensioner Parts, Tensioner Parts, Tensioner Parts, Tensioner Parts, Tensioner Parts Product ID: 18979 Description Additional information Description ECS C5/C6 8-Rib Kit Tensioner Idler Pulley Additional information Weight 1 lbs Dimensions 4 × 4 × 4 in Related products ECS C5 10 Rib OVERDRIVE Corvette Supercharger Belt Tensioner Kit $450.00 -Buy now ECS C6 Kit Sub Tensioner Bracket $79.00 -Buy now ECS C5/C6 Adjustable Tensioner Bracket $79.00 -Buy now ECS C6 Tensioner Hardware Pack 6/8 Rib $25.00 -Buy now