R&D Watercraft

612-18009

R&D/TIAL 50mm SURGE PROTECTOR KIT SHO/FZ/FZR

Superchargers

R&D announces the release of the new R&D/Tial 50mm Surge Protector Kit

R&D announces the release of the new R&D/Tial 50mm Surge Protector Kit. R&D has been committed to on going research for any part that proves to be an aid in reducing the inherent and well known clutch issues related to running high performance boost wheels and high boost pressures in the Yamaha 1.8 Supercharged engine. R&D has noticed a significant reduction in clutch related issues in high boost ranges by ???Going Big???. R&D engineers have concluded through endurance testing that the new 50mm R&D/Tial Valve with its huge 50mm lightweight billet aluminum piston and 6 massive (bigger than any other valve) pressure relief ports to outperform the smaller (25-35mm) HKS Sequential and 35mm Greddy RZ Valves. The trick R&D has found with this valve is in aggressive off throttle situations with a gear driven supercharger the big Tial 50mm piston responds quickly to allow the reduction of boost pressure which relieves back pressure that can affect the clutch. The new 50mm design also has a much larger diaphragm over HKS and Greddy which helps the piston react quicker to relieve pressure. If you are running Boost Wheels that produce over 15 pounds of boost R&D strongly suggests looking into a larger valve setup. It only stands to reason that with higher boost pressures a larger valve can allow quicker discharge of air volume. Valve kit comes complete with R&D high temp silicone hose Tial 50mm valve billet Aluminum V-clamp banjo style vacuum fitting and vacuum line. Aggressive throttle response increased horsepower from a better seal Increased boost pressures over smaller valves that dont seal well Improved valve action with larger diaphragm and variable spring control Improved clutch performance from reduced off throttle back pressures Precision sequential valve operation Installs easy and clean to the O.E.M. intercooler inlet/outlet Works well on R&D Pro Series Intercoolers

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