Cosworth (2.0L/2.3L) High RPM Valve Spring Set 11.5mm Lift (16) Body parts and the best news is

and the best news is that by reducing temperatures to get more power you are actually reducing stress on the engine

Kit Contents

Weight matched +/- 1 gram on each end

which is the top section

Elevate the performance on all Volvo C30 and Focus RS / ST

Cosworth (2.0L/2.3L) High RPM Valve Spring Set 11.5mm Lift (16) Body parts and the best news isCosworth (2. 0L 2. 3L) High RPM Valve Spring set 11. 5mm lift (16) High RPM Valve Springs Cosworth High RPM Valve Springs are the result of countless hours of engineering, testing and validation ensuring the best possible spring for high performance applications. Cosworth High RPM Valve Springs are wound from the worlds finest Japanese Kobe steel and feature dual chamfered ends to reduce wear on seats and retainers. Each spring has been engineered