Focus RS Mk3 Piper Double Valve Spring Kit

DESCRIPTION
 
Piper Double valve springs are engineered for our Race Spec camshafts and are also suitable for use with stock camshafts including Stg1 & 2 Camshafts
Includes spring seats and valve stem seals.
Rate: 52 N/mm ~ 297.00Lb/Inch
Seat Pressure: 20.00KG ~ 45.00 Lb/f
Installed height: 38.00mm
Valve Spring Features:
Wound from high quality German steel
Steel retainer set included