Focus RS Mk3 Piper Single Valve Spring Kit
Piper valve springs are Designed for Stg1 and Stg2 camshafts and are also suitable for use with stock camshafts.
Rate: 42 N/mm ~ 242.00Lb/Inch
Seat Pressure: 22.00KG ~ 48.00 Lb/f
Installed height: 38.00mm
Valve Spring Features:
Wound from high quality German steelSteel retainer set included