--- 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: "€ 787.67" currency: EUR in_stock: true category: "Btr Brian Tooley Racing" url: https://www.desertcart.be/products/70995950-brian-tooley-racing-btr-660-ls-dual-valve-spring-kit store_origin: BE region: Belgium --- # Fits all 15° LS Gen 3 & 4 heads 155-400 lbs dual spring pressure Titanium retainers for max RPM 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:** € 787.67 **Availability:** ✅ In Stock ## Summary > 🏁 Dominate your LS build with precision valvetrain control! ## 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?** € 787.67 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.be](https://www.desertcart.be/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 - • **Versatile High-Lift Upgrade:** Perfect for street, strip, boosted, or naturally aspirated aggressive cam applications - • **Precision Fit for LS Engines:** Drop-in compatibility with all 15° LS heads from 4.8L to 6.2L - • **Race-Ready Dual Spring Power:** 155 lbs seat & up to 400 lbs open pressure crush valve float at high RPMs - • **Lightweight Titanium Retainers:** Reduce valvetrain mass for quicker revs and enhanced durability - • **Proven Brian Tooley Racing Engineering:** Trusted across thousands of high-performance LS builds for unmatched reliability ## Overview The Brian Tooley Racing .660" LS Dual Valve Spring Kit with Titanium Retainers is a high-performance valvetrain upgrade engineered 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. Designed for aggressive camshafts and proven in thousands of LS builds, this drop-in kit fits all 15° LS heads and is ideal for street, strip, and boosted applications. ## 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. ## 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 | | Automotive Fit Type | Vehicle Specific Fit | | Best Sellers Rank | #2,360,021 in Automotive ( See Top 100 in Automotive ) #310 in Automotive Replacement Engine Valve Springs | | Brand Name | BTR Brian Tooley Racing | | Customer Reviews | 4.9 4.9 out of 5 stars (14) | | Included Components | (1) BTR Dual Valve Spring Kit with Titanium Retainers | | Manufacturer | BTR Brian Tooley Racing | | Manufacturer Part Number | BTR SK001/T/0560/BB | | Manufacturer Warranty Description | 30 Days | | Material Type | Titanium | | Maximum Lifting Height | 0.66 Inches | | Model Number | BTR SK001/T/0560/BB | | Set Name | True | | Unit Count | 1.0 Count | ## Product Details - **Auto Part Position:** Front - **Brand:** BTR Brian Tooley Racing - **Included Components:** (1) BTR Dual Valve Spring Kit with Titanium Retainers - **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) ## 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 --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.be/products/70995950-brian-tooley-racing-btr-660-ls-dual-valve-spring-kit](https://www.desertcart.be/products/70995950-brian-tooley-racing-btr-660-ls-dual-valve-spring-kit) --- *Product available on Desertcart Belgium* *Store origin: BE* *Last updated: 2026-10-26*