Become a Full Member and get the official Linkage Tour and the official Starting Aid. This information alone will pay for your membership
Here ya go. Buds Benz has em.
Check this page from SLS:http://www.sls-hh-shop.de/main/en/mercedes-230-280sl-w113-/07-mech-injection-air-intake-/09-air-intake-and-aircleaner
E-mail a picture to Dave at Budds Benz