These shims increase the friction between the crank and flywheel by up to 3 times what is seen with regular steel on steel contact.
Shims are .008″ thick and do not cause any alignment problems with the clutch / flywheel. An absolute must for any engine making 450+ ft-lb with the 6 bolt VW/Audi flywheel flange.
Increases friction by up to 300%
Fits all VW/Audi 6 bolt flywheels
A must for high HP engines
Contains real diamonds!!