Another Patrick Motorsports Exclusive!964 / 993 Euro RS Lightweight Single-Mass Flywheel And Clutch Conversion Package Application 1990-2013 Porsche 964 / 993 / 996 Turbo GT2 GT3 / 997 Turbo GT2 GT3This Kit Includes All Necessary Parts To Convert The Dual-Mass Flywheel To The Lightweight Euro RS / RSR / Cup Single-Mass Flywheel System Less Moment Of Inertia Helps The Vehicle Accelerate More Quickly And Decreases Time Required To Shift As Engine Speed Drops Faster Kit Includes: Patrick Motorsports Billet RS Lightweight Flywheel - Includes RS Pilot Bearing - Certified Balanced (Weight: 11 lbs) OEM Sachs Sport Pressure Plate (9.55 lbs) OEM Sachs Euro RS Clutch Disc (4.55 lbs) OEM Euro RS Starter Ring Gear (1.2 lbs) OEM Sachs RS Clutch Release Bearing (1.15 lbs) OEM Sebro RS Guide Tube (0.37 lbs) OEM Hardware Kit: Pressure Plate Bolts + Flywheel Bolts + HD Pressure Plate Washers Certified Computerized Assembly Spin Balancing (Included At No Added Cost) Patrick Motorsports USA - Sold As A Kit - 1 Kit Per Car Total Weight: 27.82 lbs. Performance Chip Tuning: If you're thinking of a performance tune, or having an issue with idle stabilization or stalling - We work with 911 Chips / Steve Wong Here is a link to the 911 Chip's website for 1990-1994 964 and 1995 993 OBD1 https://www.911chips.com/c2chips.html Purchase includes: Certified Computer Rotational Balancing (No Added Cost) Installation Service Available On All Products ** IMPORTANT INSTALLATION NOTE: THE CLUTCH DISC SPRING HUB IS INSTALLED TOWARDS FLYWHEEL POCKET (FLAT SIDE TOWARD PRESSURE PLATE) ** Alternate Part Numbers: PKG 964 993 RS LWCK PMS / PKG-964-993-RS-LWCK-PMS / PKG.964.993.RS.LWCK.PMS / PKG964993RSLWCKPMS