
These shims increase the friction between the crank and flywheel by up to 3 times what is seen with regular steel on steel contact.
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!!