STK spring and retainers

VW Valve Springs and Retainers

Where did you here about Japan Auto from?


Will eliminate coil bind and valve float when installed correctly.

Made from High Quality Chrome Silicone and rated up to 9000rpm

Suitable up to 13,5mm of Cam Lift with  185 lbs of pressure

Retainers for 7mm stem with 3 groove cotter

KIT includes : 8 x Inner Valve Spring / 8 x Outer Valve Spring / 8 x Upper Chromoly Retainers for use with 7mm 3 groove cotters / 8 x Lower Spring Seats

This Product is not a straight forward replacement Kit …….¬† as with Competition Valve Springs , Correct Spring Heights & Travel are essential in avoiding coil bind