Brand: Allstar Performance Manufacturer's Part Number: ALL31020 Part Type: Vacuum Pump and Dry Sump Pump Drive Kit Components Product Line: Allstar Performance Vacuum Pump and Dry Sump Pump Drive Kit Components Automotive Fittings Part Number: AAF-ALL31020 UPC: 848238018943 Accessory Drive Kit Component Type: Spacer Mounting Hardware Included: No Quantity: Sold individually. Notes: 0.250 in. thick. Mandrel keys are made specifically for use with Allstar mandrel pulley kits. Description: Allstar Performance vacuum pump and dry sump pump drive kit components are exact replacement components designed to help get your vehicle back in perfect working order. Whether it's a mandrel spacer, key, belt guide, or other parts you need, Allstar offers a selection of universal upgrades to restore proper function.