Power Steering Air Bleed Adapter Kit Adapters form an airtight seal in the neck of a vehicle’s power steering pump, allowing for air evacuation. All three adapters include an inline, barbed connection for a 1 - 4 internal diameter hose. These adapters will work with your Mityvac and most other brands hand vacuum pumps. A 90-degree barbed connector, MVA665, is available separately and can be interchanged with the inline connector on MVA661 and MVA662 for applications with limited overhead access. Featuring a robust design and construction. Kit Includes: Universal power steering bleed adapter MVA660, Ford power steering bleed adapter MVA662, GM power steering bleed adapter MVA661 and instruction sheet MVA670 No -