They are plastic

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

Looking for higher steering angles

Turbosmart's Power Port Sensor Cap brings data logging capabilities to a blow-off valve using compact and contactless technology

\n Hi-temp mil-spec silcone nomex diaphragm

Clutch Kit - Xtreme Performance Heavy Duty Cushioned Ceramic 750Kg (50% inc.) 530Nm KNI23008-1C JR22 They are plasticXtreme Performance Cushioned Ceramic kit 1C Recommended for: Motorsport ApplicationsThese kits are available with cushioned ceramic friction discs and are designed for motorsport applications where higher heat and torque capacity is required. These can also be used in some road applications. Specifications: Torque capacity 530Nm Clamp load 750Kg 50% Increased over standard Cushioned Ceramic Friction Disc Heavy Duty Pressure Plate Kit contains