We do not put a shipping price on this one automatically — it is quoted by hand so you are
charged what it actually costs. Tell us where it is going and we will come back with a real
figure, or collect it in Brea at no charge.
Valve springs get overlooked and they should not be. The spring is usually what limits how fast a valvetrain can safely run, and it sets what the cam profile is able to do in the first place. Few parts in the engine work harder for less credit.
Specification
Springs manufactured by PSI, USA, from vacuum arc remelted steel
Beehive conical design, at least 14% lighter than OEM
Spring platforms in EN24 through hardened steel, nitrocarburized
Retainers in vacuum arc remelted tool steel, also 14% lighter than OEM