Home / ECS Supercharger Kit Parts / 1997-04 Corvette LS1/LS6 / ECS S/C Brackets / ECS C5 Kit Head Unit Spacer Kit Polished View cart “ECS C5 Kit Head Unit Manual Idler Swing Arm” has been added to your cart. ECS C5 Kit Head Unit Spacer Kit Polished$100.00 - ECS C5 Kit Head Unit Spacer Kit Polished 6/8 Rib Drive. In stock ECS C5 Kit Head Unit Spacer Kit Polished quantity Buy now SKU: ECS-100-298 Category: ECS S/C Brackets Product ID: 19197 Description Additional information Description ECS C5 Kit Head Unit Spacer Kit Polished. 6/8 Rib. Additional information Weight 2 lbs Dimensions 6 × 4 × 4 in Related products ECS C5 Swing Arm and Idler Package $155.00 -Buy now ECS C5 Kit Head Unit Idler10-Rib $110.00 -Buy now ECS C5 Kit Head Unit Idler 8-Rib $90.00 -Buy now ECS C5 NOVI 1500/2200 Polished Bracket and Tensioner Pkg 10 Rib $1,300.00 -Buy now