These will take normal vacuum hose

Included with each Kompact Shortie kit is:

This product can be used as a Dual Port or a Plumb Back unit

The supercharger-specific Race Port features a soft spring so it can stay open at idle

\n Options

Clutch Kit - Xtreme Performance Race Sprung Ceramic 1100Nm KNI25015-1R JR44 These will take normal vacuumXtreme Performance Extra Heavy Duty Sprung Ceramic 1R Recommended for: Motorsport Applications 1R kits feature a sprung ceramic friction disc, but with even greater clamping force pressure plate for higher torque capacity. These kits are designed specifically for motorsport applications such as circuit, rally, drifting and drag racing. Specifications: Torque capacity 1100Nm Clamp load Increased over standard Sprung Ceramic Friction Disc Extra Heavy