This kit is 40+40mm wider than OEM A90 Supra rear suspension (requires extended axles)

} Xtreme Motorsport 184mm twin plate

A quote from our installation kit

while one vent-to-atmosphere port gives the classic Turbosmart blow-off valve sound we know and love

Track 40mm (20mm per side) wider than original

Clutch Kit - Xtreme Outback Heavy Duty Sprung Ceramic 450Nm 730KG (20% inc.) KIZ25003-1B Mazda This kit is 40+40mm widerXtreme Outback Heavy duty sprung ceramic kit 1B Recommended for: Motorsport Applications Xtreme Outback Ceramic upgrades have been designed to offer the ultimate in heat capacity for single plate upgrades and are designed specifically for motorsport applications such as endurance rally events and time trials. Available in Sprung Ceramic and Cushioned Ceramic, there are a wide variety of options to choose from depending on the vehicle use.