Speedwerx H5 Alloy Primary Clutch Springs - Black CCH5-A-140-335High quality springs with the same performance as titanium springs at a fraction of the cost New material has a 30,000 to 40,000 PSI higher tensile strength than standard chrome silicon wire springs No rate loss over time which maintains efficient clutching for a better performing and more consistent spring New Dikem coating will not flake or chip over time like standard painted springs