Supertech beehive valve springs for Ford RS 2.5L and compatible Volvo five-cylinder engines are available in an 80 lbs seat pressure version with a 33.5mm free length. This beehive spring design supports compact valve-train control suitable for performance-oriented or replacement applications where the specified seat pressure and dimensions are required. The kit is intended to match valvetrain setups calling for these spring characteristics.
Supertech Ford RS 2.5L / Volvo 5cyl 80lbs/33.5mm Beehive Single Valve Spring Kit