BTR .660″ Lift Platinum Spring Kit SK001 (Steel Retainers) – SK001/S/0560/BB

.660″ Lift Dual Spring Kit for LS engines using stock rocker arms.� Includes dual polished springs, locks and your choice of:

Titanium or Chromoly Steel Retainers
Locators for Stock or Bronze Guides
Valve Seals

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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, see item SS015 and SS030.
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This kit will not fit LS9 engines, please see item SK006 for LS9 heads.�
THESE ARE FOR�STOCK ROCKERS
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.660″ Lift Platinum Spring Kit
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SP001/SK001 springs are designed for use with stock rockers. �
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Heavier roller rockers require more spring pressure to maintain control of the valve train. �
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We recommend our SP002/SK002 for roller rocker applications.
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Complete List of Kit Componets
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SP001-1
.660″ Lift BTR Platinum Dual Valve Spring
16

SR001S-16
BTR Steel Retainers For Platinum and Extreme Springs, Set of 16
1

SL505045-16
BTR Spring Locators; .505″ ID, .045″ Thick, Set of 16
1

VS LS KIT BLUE
BTR LS Valve Seal Kit, Set of 16 Blue Seals
1

VL7�8MMBLK-32
BTR Black Oxide Coated Valve Locks; 1 Radial Groove, 7� Angle, 8mm, 16 Pairs

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