---
product_id: 306774334
title: "BTR Brian Tooley Racing LS Dual Valve Spring Kit (.660\" Lift) with Steel Retainers -Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA"
brand: "btr brian tooley racing"
price: "481650CFA"
currency: XOF
in_stock: true
reviews_count: 5
category: "Btr Brian Tooley Racing"
url: https://www.desertcart.sn/products/306774334-btr-brian-tooley-racing-ls-dual-valve-spring-kit-660
store_origin: SN
region: Senegal
---

# 155-400 lbs spring force range 0.660" lift precision Steel retainers durability BTR Brian Tooley Racing LS Dual Valve Spring Kit (.660" Lift) with Steel Retainers -Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA

**Brand:** btr brian tooley racing
**Price:** 481650CFA
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate your LS engine game with BTR’s precision dual valve springs!

## Quick Answers

- **What is this?** BTR Brian Tooley Racing LS Dual Valve Spring Kit (.660" Lift) with Steel Retainers -Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA by btr brian tooley racing
- **How much does it cost?** 481650CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/306774334-btr-brian-tooley-racing-ls-dual-valve-spring-kit-660)

## Best For

- btr brian tooley racing enthusiasts

## Why This Product

- Trusted btr brian tooley racing brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Direct Drop-In Fit:** Seamlessly compatible with all 15° LS heads (LS1 to LSA) using stock rocker arms.
- • **Dual Polished Springs:** Balanced spring rates (155-400 lbs) ensure superior valve control and reduced float.
- • **Complete Installation Kit:** Includes locators, locks, and seals for hassle-free, professional-grade assembly.
- • **Heavy-Duty Steel Retainers:** Engineered for maximum durability and long-lasting reliability under high stress.
- • **Precision .660" Valve Lift:** Optimized for aftermarket camshafts to unlock peak LS engine performance.

## Overview

The Brian Tooley Racing LS Dual Valve Spring Kit delivers a precise .660" lift with robust steel retainers and dual polished springs rated between 155 and 400 lbs. Designed as a direct drop-in for all 15° LS heads, this kit ensures enhanced valve control and durability, making it the go-to upgrade for millennial professionals seeking reliable, high-performance engine enhancements.

## Description

Brian Tooley Racing BTR Dual Spring Kit .660" Steel Retainers This very popular Spring Kit is highly recommended when upgrading to a aftermarket Camshaft .660" Lift dual spring kit for LS engines using stock rocker arms. Included dual polished springs, matching Steel Retainers, locators for stock guides, locks and 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.

Review: Perfect springs for the lift in my engine
Review: I had an issue after installing these springs and Michigan Motorsports and BTR both reached out and were able to help me solve the issue.

## Features

- Brian Tooley Racing BTR Dual Spring Kit .660" Steel Retainers
- This very popular Spring Kit is highly recommended when upgrading to a aftermarket Camshaft
- .660" Lift dual spring kit for LS engines using stock rocker arms.
- Included dual polished springs, matching Steel Retainers, locators for stock guides, locks and 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.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DKSN2L8 |
| Brand | BTR Brian Tooley Racing |
| Customer Reviews | 4.7 4.7 out of 5 stars (103) |
| Date First Available | 6 Jun. 2018 |
| Item Weight | 1.96 kg |
| Manufacturer | Michigan Motorsports |
| Manufacturer part number | BTR SK001/S/0560/BB |
| Manufacturer reference | BTR SK001/S/0560/BB |
| Position | Front |
| Product Dimensions | 30.99 x 9.65 x 7.62 cm; 1.96 kg |

## Product Details

- **Auto part position:** Front
- **Brand:** BTR Brian Tooley Racing
- **Included components:** Installation Hardware
- **Material:** Alloy Steel
- **Maximum lifting height:** 0.66 Inches

## Images

![BTR Brian Tooley Racing LS Dual Valve Spring Kit (.660" Lift) with Steel Retainers -Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA - Image 1](https://m.media-amazon.com/images/I/41OkVjIECBL.jpg)
![BTR Brian Tooley Racing LS Dual Valve Spring Kit (.660" Lift) with Steel Retainers -Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA - Image 2](https://m.media-amazon.com/images/I/5143aExWTVL.jpg)
![BTR Brian Tooley Racing LS Dual Valve Spring Kit (.660" Lift) with Steel Retainers -Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA - Image 3](https://m.media-amazon.com/images/I/51kjD4Fm3AL.jpg)
![BTR Brian Tooley Racing LS Dual Valve Spring Kit (.660" Lift) with Steel Retainers -Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA - Image 4](https://m.media-amazon.com/images/I/6157nUQOYtL.jpg)
![BTR Brian Tooley Racing LS Dual Valve Spring Kit (.660" Lift) with Steel Retainers -Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA - Image 5](https://m.media-amazon.com/images/I/61TswzWNRkL.jpg)

## Questions & Answers

**Q: Will these work for a 2007 gmc sierra 6.0 all stock? I have over 400k miles and going to change the valve seals. Figured I would change springs too.**
A: Yes this will work with any ls based engine

**Q: Is it ok to use roller rocker arms stock ratio 1.7?**
A: This spring kit can be used with the OE rocker arm (or stock ratio) without any issue.

**Q: What is the recommended installed height?**
A: They work great got 729 HP at 6000 Rpm I believe it was around 1.800 your installer should know the spec sheet in the box Cam Lift height and spring pressure

**Q: Would this work im upgrading to a 228/228 cam on my 5.3 ?**
A: Yes.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***R on 10 March 2025*

Perfect springs for the lift in my engine

### ⭐⭐⭐⭐⭐ Review
*by B***E on 16 November 2023*

I had an issue after installing these springs and Michigan Motorsports and BTR both reached out and were able to help me solve the issue.

### ⭐⭐⭐⭐⭐ Review
*by C***S on 13 January 2023*

Pretty fast shipping. Have yet to have a negative experience with Michigan Motorsports

## Frequently Bought Together

- BTR Brian Tooley Racing LS Dual Valve Spring Kit (.660" Lift) with Steel Retainers -Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA
- BTR Brian Tooley Racing LS 7.400" Chromoly Pushrods - 5/16" Diameter, .080" Wall - Fits 4.8 5.3 6.0 LS1 LS2 LS6 LS3 L76 L92 L99 LQ4 LQ9 L33 LSA
- Camshaft Retainer Plate Gasket Compatible with LS Series Engines, &Bolt Kit ARP 134-1003 Gen III IV V for GM LS1 LS2 LS3 4.8 5.3L 6.0L 6.2L Vortec Corvette Cam

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**Shop now:** [https://www.desertcart.sn/products/306774334-btr-brian-tooley-racing-ls-dual-valve-spring-kit-660](https://www.desertcart.sn/products/306774334-btr-brian-tooley-racing-ls-dual-valve-spring-kit-660)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-02-15*