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The Supertech single valve spring kit for the Honda R18 SOHC i-VTEC engine is a matched set of single springs specified for that SOHC i-VTEC application to control valve motion and maintain valvetrain operation. Supplied as a direct-fit replacement, the kit is intended for routine rebuilds or cam changes where restoring proper valve seating and consistent response across the engine's operating range is required.
Supertech Honda R18 SOHC I-Vtec Single Valve Spring Kit
