Home / ECS Products / ECS Supercharger Kit Parts / 2014+ C7 Corvette LT1 / ECS C7 Kit Brackets and Tensioner Parts / ECS C7 Kit Head Unit Idler 8-Rib Pulley “ECS C7 kit 8/10 rib balancer hub for C7” has been added to your cart. View cart ECS C7 Kit Head Unit Idler 8-Rib Pulley$99.99 - ECS C7 kit head unit idler 8-rib pulley. ECS C7 Kit Head Unit Idler 8-Rib Pulley quantity Buy now SKU: ECS-100-253 Categories: ECS C7 Kit Belt Drive Parts, ECS C7 Kit Brackets and Tensioner Parts Product ID: 19631 Description Additional information Description ECS C7 kit head unit idler 8-rib pulley. Additional information Weight 1 lbs Dimensions 4 × 3 × 3 in Related products ECS C7 Conversion Brackets ’14 kit to ’15+ Kit $275.00 -Buy now This product has multiple variants. The options may be chosen on the product page ECS C7 Kit 10-Rib Tensioner Only $84.99 -Buy now ECS C7 kit balancer pulley 8-Rib for GM wet sump balancer '16+ $375.00 -Buy now ECS 8-Rib 3.70 $149.00 -Buy now