Dual springs with 4130 chromoly steel retainers. Complete pack includes chrome silicon valve springs, performance valve spring retainers & valve keepers. Springs will not fatigue and will allow valve float with high RPM usage.
Guide bosses need to be machined
To suit
VW Type 1-4 Cylinder Heads 1600cc & greater T1 Beetle to 1979 Karmann Ghia to 1974 T2 Kombi to 1979 Type 3 to 1973
NOT SUITABLE FOR 36HP OR 40HP HEADS
