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The Supertech beehive valve spring kit for Nissan Skyline RB25 DOHC 24-valve (NEO Version) engines uses a tapered beehive profile to control valve motion while accommodating tight retainer clearances. It’s intended to maintain consistent spring force for reliable valve seating across typical operating ranges. This kit targets RB25 NEO setups where compact spring geometry and repeatable valve control are needed.
Supertech Nissan SKYLINE RB25 DOHC 24V (NEO Version) Beehive Valve Spring Kit
