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LS .660" Dual Valve Spring Kit
LS1 .660" Dual Valve Spring Kit with Steel Retainers for a 4.8 5.3 6.0 LSX LS2 LS3 LQ4 LQ9
.660" Lift Dual Spring Kit for LS engines using stock rockers.
Complete Kit includes dual valve springs, locks and the following:
Chromoly Steel Retainers
Locators for stock Guides (.505" ID/.060" Thick)
Black valve seals
Valve locks
Spring specs are:
155lbs @ 1.780"
380lbs @ 1.180"
400lbs @ 1.130"
Coil bind @ 1.080"
This is a drop in spring kit for all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 etc. This kit will fit LS7 heads with approximately  .045" spring shim.
This kit will NOT fit LS9 heads.

LS .660" Dual Valve Spring Kit

$194.95Price

  • LS1 .660" Dual Valve Spring Kit with Steel Retainers for a 4.8 5.3 6.0 LSX LS2 LS3 LQ4 LQ9
    .660" Lift Dual Spring Kit for LS engines using stock rockers.

    Complete Kit includes dual valve springs, locks and the following:
    Chromoly Steel Retainers
    Locators for stock Guides (.505" ID/.060" Thick)
    Black valve seals
    Valve locks

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