---
product_id: 70995950
title: "Brian Tooley Racing BTR .660\" LS Dual Valve Spring Kit with Titanium Retainers | Fits Gen 3 Gen 4 LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade"
brand: "btr brian tooley racing"
price: "€ 727.61"
currency: EUR
in_stock: true
reviews_count: 3
category: "Btr Brian Tooley Racing"
url: https://www.desertcart.fr/products/70995950-brian-tooley-racing-btr-660-ls-dual-valve-spring-kit
store_origin: FR
region: France
---

# Titanium retainers reduce valvetrain mass Supports up to .660" lift & high RPM stability 155-400 lbs dual spring pressure Brian Tooley Racing BTR .660" LS Dual Valve Spring Kit with Titanium Retainers | Fits Gen 3 Gen 4 LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade

**Brand:** btr brian tooley racing
**Price:** € 727.61
**Availability:** ✅ In Stock

## Summary

> ⚡ Elevate your LS engine’s pulse with precision and power!

## Quick Answers

- **What is this?** Brian Tooley Racing BTR .660" LS Dual Valve Spring Kit with Titanium Retainers | Fits Gen 3 Gen 4 LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade by btr brian tooley racing
- **How much does it cost?** € 727.61 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/70995950-brian-tooley-racing-btr-660-ls-dual-valve-spring-kit)

## 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

- • **Drop-In Compatibility:** Seamlessly fits all 15° LS Gen 3 & Gen 4 heads including LS1 through LSA for effortless high-performance upgrades.
- • **Trusted Racing Heritage:** Developed by Brian Tooley Racing, a leader in LS valvetrain tech, backed by thousands of successful engine builds.
- • **Proven High-Lift Performance:** Engineered for lifts up to .660", ideal for street, strip, and boosted LS builds demanding reliable valvetrain control.
- • **Precision Dual Spring Control:** Maximize valve stability with 155-400 lbs seat and open pressures to eliminate valve float at high RPM.
- • **Lightweight Titanium Retainers:** Cut valvetrain mass for quicker throttle response and enhanced durability under aggressive cam profiles.

## Overview

The Brian Tooley Racing .660" LS Dual Valve Spring Kit with Titanium Retainers is a high-performance upgrade designed for Gen 3 and Gen 4 LS engines. Featuring dual springs with seat pressures from 155 to 400 lbs and lightweight titanium retainers, it prevents valve float and enhances RPM capability up to .660" lift. Compatible with all 15° LS heads, this drop-in kit is engineered for aggressive camshafts in street, strip, and boosted applications, delivering proven durability and valvetrain stability trusted by LS enthusiasts and racers alike.

## Description

The Brian Tooley Racing .660 dual valve spring kit with titanium retainers is engineered for Gen 3 and Gen 4 LS engines requiring increased valvetrain control for high-lift performance applications. Designed to handle aggressive lift profiles and elevated RPM, this kit delivers the spring pressure necessary to prevent valve float and maintain precise valve motion under demanding conditions. The dual spring configuration improves stability while the lightweight titanium retainers reduce valvetrain mass for enhanced durability and responsiveness. Ideal for street performance, drag racing, naturally aspirated, and forced-induction LS builds, this kit is a proven solution for reliable high-performance valvetrain operation when paired with proper supporting components.

Review: High quality materials
Review: Superb - Perfect product for a upgrade to an Engine build...

## Features

- Spring Specs: 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.
- Dual Spring Valvetrain Control: Provides increased seat and open pressure to prevent valve float and maintain stability at high RPM in performance LS engines.
- Titanium Retainers Included: Lightweight retainers reduce reciprocating mass, improving RPM capability, valve control, and long-term valvetrain durability.
- High Performance Application Ready: Ideal for aggressive camshaft applications in street, strip, boosted, and naturally aspirated LS engine builds.
- Brian Tooley Racing Proven Design: Developed using LS-specific valvetrain expertise trusted across thousands of high-performance LS engine combinations.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07DKJYB2R |
| Auto Part Position | Front |
| Best Sellers Rank | #2,314,932 in Automotive ( See Top 100 in Automotive ) #293 in Automotive Replacement Engine Valve Springs |
| Brand | BTR Brian Tooley Racing |
| Brand Name | BTR Brian Tooley Racing |
| Customer Reviews | 4.9 out of 5 stars 14 Reviews |
| Included Components | (1) BTR Dual Valve Spring Kit with Titanium Retainers |
| Manufacturer | BTR Brian Tooley Racing |
| Manufacturer Warranty Description | 30 Days |
| Material | Titanium |
| Material Type | Titanium |
| Maximum Lifting Height | 0.66 Inches |

## Product Details

- **Auto Part Position:** Front
- **Brand:** BTR Brian Tooley Racing
- **Manufacturer:** BTR Brian Tooley Racing
- **Material:** Titanium
- **Maximum Lifting Height:** 0.66 Inches

## Images

![Brian Tooley Racing BTR .660" LS Dual Valve Spring Kit with Titanium Retainers | Fits Gen 3 Gen 4 LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade - Image 1](https://m.media-amazon.com/images/I/71GiRmM54ML.jpg)
![Brian Tooley Racing BTR .660" LS Dual Valve Spring Kit with Titanium Retainers | Fits Gen 3 Gen 4 LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade - Image 2](https://m.media-amazon.com/images/I/71qhuZdBbvL.jpg)
![Brian Tooley Racing BTR .660" LS Dual Valve Spring Kit with Titanium Retainers | Fits Gen 3 Gen 4 LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade - Image 3](https://m.media-amazon.com/images/I/71j6SxaVgXL.jpg)
![Brian Tooley Racing BTR .660" LS Dual Valve Spring Kit with Titanium Retainers | Fits Gen 3 Gen 4 LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade - Image 4](https://m.media-amazon.com/images/I/61TswzWNRkL.jpg)
![Brian Tooley Racing BTR .660" LS Dual Valve Spring Kit with Titanium Retainers | Fits Gen 3 Gen 4 LS Engines 4.8L 5.3L 5.7L 6.0L 6.2L | High Lift Valvetrain Upgrade - Image 5](https://m.media-amazon.com/images/I/6113Q2-Z12L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ High quality materials
*by J***O on March 5, 2024*



### ⭐⭐⭐⭐⭐ Superb
*by K***D on July 19, 2022*

Perfect product for a upgrade to an Engine build...

### ⭐⭐⭐⭐⭐ Awesome
*by S***A on December 12, 2019*

Just as I expected from BTR

## Frequently Bought Together

- Brian Tooley Racing BTR LS Dual Valve Spring Kit with Titanium Retainers .660" Lift 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 | High-Performance Upgrade

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-03-07*