flat sealing surfaces

TIG-welded construction

which feature a Calico coating to reduce friction and minimize wear

What is Direct PWM

5) 2003-2005

E46 M3 8.5” Metallic Clutch-Flywheel Kit Discs:3-Disc flat sealing surfacesTilton OT 215 8. 5 Metallic Clutch Flywheel Kit E46 M3 35x10 Designed for serious motorsport use, the Tilton OT 215 8. 5 Metallic Clutch Flywheel Kit is ideal for drifting, track days, and pro touring builds. Compared to 7. 25 clutches, this 8. 5 setup delivers roughly 50% more mass for increased thermal capacitykeeping temperatures in check under extended abusewhile offering higher torque handling and smoother engagement. Kit Contents: OT 215 8. 5