Comp 921 Dual Springs @ www.ls1speed.com
#1
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These new dual springs require no additional machining to your LS1 heads and are good up to .650" lift. Kit includes 16 26921 springs, spring seats, titanium retainers, valve seals.
Kit - $559.99
Springs Only - $369.99
We have some on the way! Get your order intoday @ www.ls1speed.com or 866-LS1-SPEED
Kit - $559.99
Springs Only - $369.99
We have some on the way! Get your order intoday @ www.ls1speed.com or 866-LS1-SPEED
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What are the pressures of these springs? Would I need different shims/seals to work with my heads?
-Steve
-Steve
135 LBS @ 1.770 Installed
Spring Rate 407.7 LBS
400 LBS @ 1.220 Open
Solid Height 1.040 Max
O.D. 1.300"
I.D. 0.655"
Designed for up to .650" Lift
Chamfered
Fits STD Spring Pocket @ STD Installed Height
Race Quality Material
Kit comes with 1.300" Spring Seats and LS1 .313x.500 Vavle Seals
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damn, that's pretty high for a set of springs. i'll wait and see how they turn out before i fork out that kind of $$$ for a comp spring.