ADLERSPEED 7.25inch series twin Disc Kit provides the most economical racing performance clutch for the active sport compact enthusiast. The clutch come with ceramic twin Disc Kit as well as one pieces of 4140 forged flywheel, clutch cover was made of 6061 T6 aluminum alloy complimented with a 6150 steel diaphragm. Torque capacity up to 1050Nm. Perfect for track/Pullying/Road racing/Drag racing/Hill climb/Club racing/Circuit racing performance. Disc size: 7.25" (185mm); Disc quantities: 2; Disc Spline: 1-1/8" x 10T; Torque capacity up to 1050Nm; Disc Material: Ceramic; Disc Style: Rigid hub; Clutch Type: Push Style Release Mechanism; Clutch Cover: Aircraft high quality aluminum alloy; Flywheel: One piece medium light weight Billet Chromoly; Flywheel Weight: Medium light weight (About light weight grade: Medium light weight less than Standard light weight); Release bearing: Include; Alignment tool:Not include; Installation: Must be professional; Description:  Vehicle Application: Compatible With 1999 - 2000 BMW 323i (E46, 2.5L 6cyl; Fits 4 door only) Compatible With 2000 - 2000 BMW 323Ci (E46, 2.5L 6cyl; Fits 2 door only) Compatible With 2001 - 09/2003 BMW 325i (E46, 2.5L 6cyl; Fits 4 door only) Compatible With 2001 - 09/2003 BMW 325Ci (E46, 2.5L 6cyl; Fits 2 door only) Compatible With 2001 - 09/2003 BMW 325Xi (E46, 2.5L 6cyl; Fits 4 door only) Compatible With 1999 - 2000 BMW 328i (E46, 2.8L 6cyl; Fits 4 door only) Compatible With 2000 - 2000 BMW 328Ci (E46, 2.8L 6cyl; Fits 2 door only) Compatible With 2001 - 3/2003 BMW 330i (E46, 3.0L 6cyl; 4 door model; Fits 5 speed only) Compatible With 2001 - 3/2003 BMW 330Ci (E46, 3.0L 6cyl; 2 door model; Fits 5 speed only) Compatible With 2001 - 3/2003 BMW 330Xi (E46, 3.0L 6cyl; Fits 5 speed only) Compatible With 2001 - 2003 BMW 525i (E39, 2.5L 6cyl) Compatible With 1999 - 2000 BMW 528i (E39, 2.8L 6cyl) Compatible With 2001 - 2003 BMW 530i (E39, 3.0L 6cyl) Compatible With 1999 - 2002 BMW Z3 (E36, 2.5L 6cyl) Compatible With 2001 - 2002 BMW Z3 (E36, 3.0L 6cyl Compatible With 2003 - 10/2003 BMW Z4 (E85, E86, 2.5 6cyl)  Note: Racing clutch is consumables, don't accept returns or exchanges, thanks. Not recommend Low horsepower, low-torque cars. Recommend race car use only. Recommend professional installation and professional driving. Photo may not accurate, please take as reference only.