
GSC Power Division beehive valve springs and titanium retainers for Mitsubishi Evolution 1–9 (4G63) provide a lightweight, compact valve spring solution for high-revving engines. The kit groups beehive springs with Ti retainers to reduce reciprocating mass and support aggressive cam profiles while maintaining a stable valve train for upgraded performance and durability in tuned Evolution applications.
GSC P-D Mitsubishi Evolution 1-9 4G63 Beehive Valve Springs & Ti Retainer Kit