38mm weld-on adapter

For example

Class Leading Thermal Performance

This vacuum line differentiates from competitor products by being reinforced with strengthening material for added performance and reliability in all applications from stock streetcar to extreme race applications

Don't forget to check out the Nissan 350Z Front Drift Angle Lock Kit

Clutch Kit - Xtreme Performance Race Carbon Blade KMI24004-1P JR14 38mm weld-on adapterStage 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