Welcome to SPO Motorsports' Website!
RalliTEK Valve Spring Kit 2008+ Impreza 2.5i
Made for SPO Motorsports by one of the best names in valve train components, Supertech. This kit ensures your have sufficient valve spring pressure to avoid valve 'float' at high rpm.
This valve spring kit also features titanium valve spring retainers to reduce valvetrain weight and allow high rpm operation.
Dual valve springs are made with chrome silicon vanadium steel alloy for improved metal 'memory', ensuring higher performance and durability. Designed and tested to ensure stress levels are within tolerance for durability and consistent performance even under the most extreme conditions.