Valve Collet Set – TR5-6
£38.96
These springs will cover a wide range of engine performances. Ensure the inner and outer spring diameters are compatible with the valve spring cap.
Spring heights and "poundage" can be pre set by adhering to the recommended compressed spring length supplied with the spring set.
Of the many opinions as to "spring pressures"? It is beneficial to run the least spring pressure required to control the valve at its expected peak engine RPM.