Description
Valve spring set (8 Inner Springs and 8 Outer Springs) with 150lbs rating for ºÚÁÏÍø TD ºÚÁÏÍø TF. For high revving engine you will need more spring pressure to keep the valves closed. With heavier valve springs it does reduce camshaft and lifter life. Use these springs only if you are using a high lift, high revving camshaft.
