...Another great find! The Magnesium Center-Lube Chain-Box Housing Covers as used on the 1973 and 1974 Porsche 911 RSR. Thank you Cory Jump! You can visit Cory's website at Planet 9 Eleven for more Porsche parts as well as some very rare racing parts that he makes available from time to time. Look here http://www.planet911.com/

Here is a link to another set I had and recently sold which you can view for comparison purposes http://www.pbase.com/slidevalve911rsr/myrsr_30ltr_magnesium_center_lube_cam_housing_covers