ARP flywheel bolts wont stretch and are reusable. APR bolts are "must have" when upgrading the engine.
Singlemass conversion kits
DMF conversion kitWhen torque increases, the original Dual Mass flywheels have a tendency to break or start making noises. With enough power, a conversion is needed. These conversion kits are very popular and widely available as performance parts and even spare part conversions.
Performance kits include Clutch Masters, Xtreme Clutch, Sachs SRE and Black Diamond kits. Spare kits include brands like Luk, Exedy and Aisin.