Home Online Catalog Minimum Required Tools Minimum Indexes Product Promotions New Optional Tools Tool Rental Program Additional Resources Alignment ROI Calculator Collision Facility Planning How To's EV Hoists Cross-Reference Guides Tool Storage Application Invoice Reprint Contact Us Item Detail Table of Content Engine Engine, Fuel & Exhaust Tools Image shown may notbe actual product.Product and price information aresubject to change without notice. Valve Spring Adapter Model: 6641 Superseded from MLR6641 Superseded To: 6641A Valve spring adapter used on Routan engines. VW Routan Tool Requirements Tool Number 6641 Availability SUPERSEDED Superseded To 6641A Tool Class Special Tools VW US Requirement Equivalent VW US Auto Ship Number 286 VW US Auto Ship Date 07/23/2008 AUDI US Requirement Equivalent AUDI US Auto Ship Number VW Canada Requirement Equivalent AUDI Canada Requirement Equivalent