High Rev Valve Springs
Competition Valve Springs
OD 31,20mm / ID 23,50mm
Coil Ø 3,91mm / 5 clock wise
Length 41mm / Mass 39,50g
114 lbs pressure
Camshaft Grinding
VW MP9 Head Kits
Assembled Bolt-On or as a
Loose Parts Kit !
Speed & Sound
