TB Developments 4efte Uprated Valve Springs Celica-GT4 6 Axis Acceleromater and Gyro

6 Axis Acceleromater and Gyro

Specially designed to help avoid the dreaded boost creep issue

Drive-By-Wire 7

Every ARP main bolt kit exceeds the most stringent aerospace specifications

TB Developments 4efte Uprated Valve Springs Celica-GT4 6 Axis Acceleromater and GyroProduct Description We custom designed these valve springs for the 4e 5e engine platform to combat valve float often encountered in engines running a higher than standard RPM or higher boost levels which force the valves open when in a closed position resulting in a loss in power, valve flutter, miss fire and massively increasing the risk of detonation knocking pinking. The valve spring in OEM form is very soft for its applications, even in comparison