DRF = Dynotech Racing Fasteners
These are made for our drifting flywheels for ZF Motorsport clutches. But will work for all bmw flywheels.
12.2 x 29mm
They have a range from 200.000 psi to 290.000 psi depending on grade P1, P2 or P3.
Grade: 13.8, 15.8, 20.8
You will find these bolts under the brand "Dynotech Racing Fasteners" made by Dynotech Sweden. We will launch a whole serie of studs and bolts that will cover the most used model and applications.
* Made in Europe, Sweden
* QC checked
* Special ultra high strength steel and heat threatment process
* Machined ringgear no runout, handle high rpms
* Premium product can not be compared to lower end stuff out there.
These bolts are designed for Dynotech DCT M50 flywheels
Torque spec = 170nm with lube.