150lb seat pressure at 38.10mm. 330lb at 12.4mm. Coil bind at 24.5mm.

Ford Barra Valve Springs – 4.0L 6CYL BA FG Falcon Turbo and non Turbo. PACALOY™ Beehive valve spring and titanium retainer set for extreme competition racing engines running high boost and RPM.

  • Note: This kit must not be used with OEM triple groove valves and 7° locks. Must use single groove valves with 6° locks. Kelford Recommends Nissan RB20 locks to suit the retainer
Brand Kelford Camshafts
Man Part No KVS40-Extreme