Kelford Cams EVO X 4B11-T Valve Spring Set (KVS11-BT)
MITSUBISHI 4B11-T EVO X. PACALOY Beehive valve spring set with titanium retainers. This spring set has been designed for the serious racer for high rpm, high boost racing applications.
85lb seat pressure @ 34.2MM. 185lb at 11.5mm lift. Coil bind 21MM. Suits 10,000rpm and 50lb+ boost.