A set of 8 single heavy duty valve springs for use on high performance engines. These valve springs are designed for use in high performance engines that will be seeing increased revs up to 6000rpm using a high performance camshaft.When running heavy duty valve springs uprated pushrods and rocker shafts must be used.
Quality
Top Quality, manufactured by Bugpack
Metrics
Weight: 0.4309 kg
Good for up to .550 lift at the valve
