Porsche 1975 backdate 1973 RSR Twin-Turbo. Starting with a beautiful, rust-free chassis backdate with exceptional attention to detail. We have backdated many of our custom build-to-suit client requests. Rust-free chassis back to basics before the complete overhaul begins! 911 RSR TURBO with fuel system installed. 911 RSR Twin-Turbo showcasing a center-fill Fuel Safe Fuel Cell. Fuel Safe Center Fill Fuel Cell 911 RSR Twin-Turbo with our dual brake master cylinder kit installed. Dual Brake Master Cylinder Kit - Part# BRA 911 355 DBMCL PMS (Link) 911 RSR Twin-Turbo dual brake master cylinder installation Rotisserie paint work in a custom blue. Rain gutter delete to give a more clean and aerodynamic look. The integrated roll cage is implemented in a way that looks factory! Handcrafting the leather interior. That blue/tan pattern was handwoven. The extra effort pays off! New dash and trim work Fitting suspension and brakes! Bilstein Coilovers