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BLOX Racing valve spring for B16A–B18C DOHC VTEC engines serves as a performance-oriented replacement spring to maintain accurate valve control in 1.6L–1.8L VTEC applications. It’s specified as a drop-in spring for those engine families, intended to support higher lift and stable valve actuation under spirited driving. Use it when refreshing valvetrain components or restoring factory fitment after upgrades.
BLOX Racing B16A - B18C1-5 (1.6L - 1.8L DOHC VTEC) Performance Valve Spring
