Valve springs

[rajiv1998]

Any1 know whats the highest rating springs out there right now? I know Patriot's new double valve are rated to something like .650 lift but is there anything higher than that?

[ls1camino]

Considering there are LS cams that have over .700 lift, I would think that there are springs that could handle them. I don't know where they are sold, sorry.

[Dr.Crash]

http://www.texas-speed.com/shop/item...d=997&catid=48

check it out

[Damian]

Both PRC and Trick Flow offer a spring thats rated to .700 lift.

Are you wanting to do a solid roller setup? Cause nothing hydraulic is going to last with that kind of lift without smashing lifters.

[KennethS]

A PAC-1354 has 1,015 lbs/in rate with a 1.550" OD, installed at 2.300" its got 425 lbs on the seat and good for 1.000" lift. Okay i'll cut the crap, if you're running a stock pocket then I would say there isn't a spring (unless you want to limit your RPMs to 5-6k, then maybe). Comp is advertising this small OD super duper dual spring (26926); although, i'm still waiting on my order for a couple months now...they're probably still developing it.