Brian Tooley Racing – .660″ Lift Platinum Spring Kit with Titanium Retainers for Gen V LT1/L83/L86 (SK007)
$369.99
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.660″ Lift Dual Spring Kit for Gen V engines using stock rocker arms. Includes dual polished springs, matching Gen V specific titanium retainers, your choice of locators for stock or bronze guides, locks and seals.
Ships from manufacturer
This item ships directly from the manufacturer. If your order is urgent, please reach out to determine the specific lead time.
Frequently Purchased Together
Camshafts & Valvetrain
GPI – L83 High Lift Cam Install Package (2014+ 5.3L Direct Injected GM Truck)
Camshafts & Valvetrain
GPI – L83 / L84 (5.3L) DI Truck High Lift Cams (2014+ GM Truck)
Description
Details
.660″ Lift Dual Spring Kit for Gen V engines using stock rocker arms. Includes dual polished springs, matching Gen V specific titanium retainers, your choice of locators for stock or bronze guides, locks and seals.
Spring specs are 155 lbs @ 1.780″, 380 lbs @ 1.180″, 400 lbs @ 1.130, coild bind @ 1.070″
This is a drop in spring kit for Gen V LT1, L83 and L86 engines, WILL NOT FIT LT4, SEE SK008.
| Complete List of Kit Componets | ||
| SP001-1 | .660″ Lift BTR Platinum Dual Valve Spring | 16 |
| SR008-16 | TITANIUM RETAINERS FOR GEN V LT1 HEADS | 1 |
| SL505060-16 | BTR Spring Locators; .505″ ID, .060″ Thick, Set of 16 | 1 |
| VS LS KIT | BTR LS Valve Seal Kit; Set of 8 Black Intake Seals and 8 Brown Exhaust Seals | 1 |
| VL7°8MM-32 | LS VALVE LOCKS 7 DEGREE BEAD LOCK SET OF 32 | 1 |
| SS015-16 | BTR .015″ Shims For Stock Guides, Bag of 16 | 1 |
Additional Information
| Length | 12 |
|---|---|
| Height | 3 |
| Width | 4 |
| Manufacturer | BTR |
| SKU | SK007/0560/BB |
| Weight | 4.8000 |
Questions & Answers (2)
Customer questions & answers
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What are good valve spring compressor’s to use to install 6.60’s?
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Q What are good valve spring compressor’s to use to install 6.60’s? answer nowAsked by on August 12, 2025 7:04 amA https://gwatneyperformance.com/summit-racing-valve-spring-compressor-fits-gm-gen-v-lt-cylinder-heads-sum-906789/
Hello, if this kit is made for an GEN V LT/LT1 V8 engine cylinder heads why they come with LS valve seals? Aren't the LT engine valve seals made a slight bigger to seat and seal properly? Just asking???
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Q Hello, if this kit is made for an GEN V LT/LT1 V8 engine cylinder heads why they come with LS val...... Read more answer nowAsked by on January 9, 2024 7:29 amA No they use the exact same valve seal
5
I over-rev these shits to 7400 (limit 7250) and still get miles and miles of reliability.
Great quality
5 star
Great!