1575 valvesprings
Moderator: Team
1575 valvesprings
Are PAC 1575's and PSI 1575's the same spring? Just a reboxing type deal or are to spring manufacturer's making 2 very similar springs?
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Re: 1575 valvesprings
I wonder why they don't have it on the PAC web site.
They have 2 1500's but they have been discontinued.
I say stick with the PSI springs, as warpspeed said there the best.