ISK13800




SKU: ISK13800

BRAND: Isky

GM LS High Performance Valve Spring Kit with Steel Retainers
Includes Valve Springs, Steel Retainers, Machined Bead Locks, Tempered Shims and Spring Locaters.


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When removing the stock LS1 "Conical" Valve Springs and replacing with Isky "Damper" springs, it is also mandatory to install Isky retainers, locaters and shims. While Isky 707-ST and 57-Ti retainers are compatible with the stock LS1 "stamped" bead locks (suit factory Valves), Isky Bead Locks are more desirable as they are machined from chrome moly steel and heat treated for maximum pull-through strength.

These kits come complete with Valve Springs, Steel or Titanium Retainers, machined Bead Locks, tempered shims and spring locaters.

Valve Spring Specs: Seat Pressure: 135lbs. @1.775", Open Pressure: 350lbs. @1.175", Coil Bind: 1.100", Max Net Lift: .600"

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