any one use jwt valve springs and retainers? i need a better discription

[ryan hagen]

part: AKA24-DSPRR


DESCRIPTION:
VALVE SPR/RETAINER HD KA24DE FOR JWT PRO-CAMS 91-98 240SX

i m looking for stiffer springs and lighter retainers, any one use these? what are they made of? alot stiffer? jwt hasnt responded to my emails so i m just asking if any one ahs any info.

thanks

[epoxy_nc]

i'm curious if these are decent. havent heard anything about them really. :lockd: