or 4 payments of Description
AussieSpeed AS0379 26 Lbs Evil Springs can be used with modified or standard camshafts in Subaru KX21 engines with the standard factory camshaft or modified engines to 7000 + rpm
AS0379 Springs are sold as singles so you need to buy 2 springs for 1 engine to suit both inlet & exhaust valves
It is recommended that any engine modified that a billet high rpm rated flywheel be fitted
Always check the installed height of new valve springs & also check for coil bind
