Radiator Cap Type-B 1.1 Bar Black Radium Engineering - USA-RAD-18-0076-B11 - The radiator cap is an essential part of an upgraded cooling system. Radium caps are engineered to safely improve cooling efficiency by managing the boiling temperature. A higher radiator pressure effectively raises the coolant boiling point, providing an extra safety margin and preventing air pocket cavitation at the water pump.  PRESSURE Available with 3 different pressure relief springs: 1. 1.1Bar (16.0psi)2. 1.3Bar (18.9psi)3. 1.5Bar (21.8psi) TYPES Radium radiator caps are designed for mini size (32mm ID) radiator necks only. Available in 2 common styles (Type-A and Type-B). COMPATIBILITY Below are popular vehicles with their respective radiator cap style used from the factory. NOTE: there are many vehicles not listed below. Type-B 1994-2001 Acura Integra 2002-2006 Acura RSX2004-2008 Acura TSX1998-2016 Chevrolet Tracker 1989-1997 Geo Tracker 1994-1997 Honda Accord 1992-2015 Honda Civic 1993-1997 Honda Del Sol 2003-2011 Honda Element 2007-up Honda Fit 2000-2009 Honda S20002005-up Lexus GS3501998-up Lexus IS3002005-up Lexus IS3502008-up Lexus LX5702015-up Lexus RC3502012-2016 Scion FR-S2012-up Subaru BRZ1989-1999 Suzuki Swift 1996-up Toyota 4Runner 2012-2021 Toyota 861989-up Toyota Camry 1993-2017 Toyota Corolla 2003-up Toyota FJ Cruiser 2022-up Toyota GR862008-up Toyota Land Cruiser 2008-up Toyota Sequoia 1993-2002 Toyota Supra 1995-up Toyota Tacoma 2007-up Toyota Tundra  SPECIFICATIONS Material: Stainless Steel Sealing Gaskets: Silicone Pressure: 1.1, 1.3, 1.5 Bar Design Structure: Type-A, Type-B Construction: Metal Stamping Surface Finish: Black Electroplate