SKU: 01-000-00120-454mm Idler$89.05PriceExcluding GST | Contact Us for ShippingQuantity Add to CartWeistec 54mm Idler for M156 Supercharger Systems. Note: Bearings and snap ring sold separately Key Features: CNC Machined Billet Aluminum Highest Quality 54mm Idler PulleyPower Gain:+0 HPTorque Gain:+0 TQManufacturerWeistecEngine FamilyM156