Historic Racing News.com - PORSCHE 917 SPACEFRAME TUBE CHASSIS The Porsche 917 continued Porsche's long love affair with the spaceframe, or tube frame, chassis. In many ways the 917 was just an
J-tube clamp for Porsche 911 and 912 (1965-1968) 90263511520 1680350600 - RS91766 - Mecatechnic.com
1973 Porsche 993 GT1 Tribute Race Car PCARMARKET
Porsche 944 Torque Tube Refurbishment
Porsche 944 – Torque Tube Rebuild Tutorial using Super Bearings from Black Sea R&D - YouTube