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Ls1 High Performance Drop In Valve Spring Kit .590 Lift, Ls Series Engines For Sale
Drop in High Perf Valve Spring Kit
LS Series GM Gen III, IV V Aluminum Head Vortec Engines
Order Valve Springs, Retainers and Locks as a Kit here!
GM used these engines in countless vehicles, cars and trucks alike.
LS series, LQ, Gen III SBC Vortec variations, 4.8 - 6.0
Those interested in installing a performance cam are faced with either high priced aftermarket beehive springs or even more expensive dual spring kits.
Stock GM beehive springs are super wimpy, simply of no use with most aftermarket performance cams.
This kit was designed to replace those stock beehive springs perfectly, pretty much a drop in install.
Seriously, this kit does the job very well and is easy to install.
Our springs offer the desired 130 Lbs valve closed seat pressure (150% more then stock) and crank out 355 Lbs open pressure which are common "target" pressures for many high performance LS hyd roller cams.
Installation can be performed with heads either on or off the vehicle.
The parts in our kit are designed to replace the stock springs, retainers and locks perfectly.
Alex's springs have the same base diameter foot print so they replace the stock springs without incident. No special locators or spring base needed, use whats there.
Another nice feature is our retainer design. Not only is it lightweight but it typically will produce the correct installed height right out of the package.
Tests have proven time & time again, target installed heights normally fall right into place. (*see note)
Installing an high performance spring kit couldn't be any easier or affordable.
A custom engineered kit designed, tested & distributed by a trustworthy source, Alex's Parts.
Easy Installation, measurement not normally required (*see note)
High Output Springs will handle a wide range of popular performance cams
Accepts up to .590" lift at the valve
Reliable, tire burning performance
The cost of this kit is less than a set of Comp 26918 beehive springs alone.
Great for mild to moderate aftermarket Hyd roller cams.
Gen III Vortec Engines
16 Drop In High Performance, straight wall valve springs
16 Lightweight Chrome Moly Steel Retainers
16 Hardened 7 Degree Valve Locks
130 Lbs @ 1.790" -Valve Closed, Spring Installed Height
355 Lbs @ .590" lift
Average Coil Bind @ 1.145"
Maximum allowable lift- .590"
Higher Output Pressures then popular aftermarket beehive springs
.865" Inner Step
Thickness from top to bottom- .335"
Offers improved clearance between retainer & seal
Heat Treated Chrome Moly Steel
Weighs then 18.5 Grams!
Specially designed to produce target installed height
Hardened Valve Locks:
Forged & Hardened Bead Locks
Suitable for Increased Spring Pressures
Limited Sale Price!
Buy it now for only 114.50 for the complete kit.
Winning buyer to pay 8.50 for Priority mail anywhere in the USA. Even HI & AK.
Purchase limited to available stock on hand.
Will not fit SB Chevy or Ford engines running 11/32" stem valves.
*NOTE: This kit is intended for use with factory stock heads & valves. Heads with aftermarket valves should verify their installed heights. Cams with over .575" lift should also verify spring installed height just to be sure. Heads which have had a valve job may require shims to correct for material lost during machine work to valves and seats. This kit is not for really big cams. Large cams may want to consider one of our dual spring kits. If you're not sure what spring pressures your cam needs, consider checking with us first.
Recommendations: Upon installation, it's smart to replace the valve seals. Since you're in there, installing new valve seals is cheap insurance. We carry both, early "press on" blue viton seals (.500" X 8mm) and late model viton "Hat" seals.Have a question? Write: Sales"at"Alexsparts.comThanks for looking~!
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Ls1 High Performance Drop In Valve Spring Kit .590 Lift, Ls Series Engines : $115