Brian Tooley/BTR .660\" Dual Valve Spring Kit Steel Ret - 4.8/5.3/6.0/LS1/LS2/LS3 For Sale - New and Used

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Brian Tooley/BTR .660\" Dual Valve Spring Kit Steel Retainers - 4.8/5.3/6.0/LS1/LS2/LS3
.660\" Lift Dual Spring Kit for LS engines using stock rocker arms.
Kits ship standard with dual polished springs, locks and the following:

• Chromoly Steel Retainers
• Locators for Stock Guides (.505\" ID/.060\" Thick) - If another locator is desired, please message us.
• Black Valve Seals

Spring specs are 155 lbs @ 1.780\", 380 lbs @ 1.180\", 400 lbs @ 1.130, coil bind @ 1.070\"
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 LSA, etc, this kit will also fit LS7 heads with approximately .045\" of spring shim (part numbers SS015 and SS030).
This kit will NOT fit LS9 engines, please use part number SK006 for LS9 heads.
Part Number: SK001Part Type: Valve Spring KitBrand: Brian Tooley RacingEngine Type: Gen III/IVMax Lift: .660\"Style: DualRETURNS

Please read the listing entirely as returns are typically not accepted and may be subject to a 20% restocking fee. If you have any questions or are unsure of something, please ask before purchasing. Cancellations will not be made for purchasing errors.It is the buyer\'s responsibility to make sure that they enter the correct shipping information at the time of purchase. Once an item has shipped, we can not make edits to the shipment, including the shipping address provided.

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Most items ship in 1-2 business days. Shipping is available for customers outside of the Contiguous United States, please contact us for the best and most accurate rate quote.

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