These will take normal vacuum hose

WG38/40 Diaphragm Replacement Kit

it is 50% lighter and 25% smaller than the competition while flowing huge CFM - making it the highest flowing 50mm / 2

All these changes will give you the competitive edge

Wisefab shafts can twist to at least 90 degrees

Clutch Kit - Xtreme Performance Race Carbon Blade Incl Flywheel KMI24522-1P JR39 These will take normal vacuumStage 3 Clutch Kits Carbon Race Series Used by some of the most powerful time attack and drift cars in the world, the Xtreme Clutch single plate carbon clutch provides exceptional heat capacity for high horsepower vehicles. Recommended for: Xtreme powered vehicles requiring improved modulation