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Skunk2 valve spring bases for H22A/F20B VTEC heads allow single‑spring cylinder heads to accept dual valve springs and retain valvetrain geometry. Engineered with 3D CAD and FEA, each CNC‑machined steel base is ultrasonically inspected and individually checked. The kit includes 16 bases with a 0.480 in. inner diameter to work with Skunk2 dual‑spring setups.
Skunk2 Honda/Acura (H22A/F20B) Valve Spring Base Kit
