--- product_id: 557061126 title: "Dynosty Brian Tooley Racing BTR LS .660\" Dual Valve Springs Platinum Kit with Retainers SK001 (Steel)" brand: "dynosty" price: "2579.17 DT" currency: TND in_stock: true category: "Dynosty" url: https://www.desertcart.tn/products/557061126-dynosty-brian-tooley-racing-btr-ls-660-dual-valve-springs store_origin: TN region: Tunisia --- # Up to 400 lbs seat pressure Drop-in fit for 15° LS heads .660" dual valve springs precision Dynosty Brian Tooley Racing BTR LS .660" Dual Valve Springs Platinum Kit with Retainers SK001 (Steel) **Brand:** dynosty **Price:** 2579.17 DT **Availability:** ✅ In Stock ## Summary > ⚡ Elevate your LS engine game with precision and power! ## Quick Answers - **What is this?** Dynosty Brian Tooley Racing BTR LS .660" Dual Valve Springs Platinum Kit with Retainers SK001 (Steel) by dynosty - **How much does it cost?** 2579.17 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/557061126-dynosty-brian-tooley-racing-btr-ls-660-dual-valve-springs) ## Best For - dynosty enthusiasts ## Why This Product - Trusted dynosty brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Versatile Compatibility:** Works with LS1, LS2, LS3, LS4, LS6, L76, L92, L99, LQ4, LQ9, L33, and LSAD engines - • **Polished Durability & Style:** Dual polished springs and matching retainers for lasting strength and sleek looks - • **Seamless Drop-In Installation:** Fits all 15° LS heads with stock rocker arms—no hassle upgrades - • **High-Performance Pressure Ratings:** Up to 400 lbs at 1.130" for aggressive cam compatibility - • **Precision Engineered Dual Springs:** Optimized .660" lift springs for flawless valve control ## Overview The Brian Tooley Racing BTR LS .660" Dual Valve Springs Platinum Kit is a premium drop-in upgrade designed for 15° LS heads, delivering up to 400 lbs of seat pressure for superior valve control. Compatible with a wide range of LS engines and featuring polished dual springs with matching retainers, this kit ensures reliable performance for everything from mild daily drivers to 1000 hp turbocharged builds. ## Description The BTR platinum spring kit would be inducted into the LS aftermarket hall of fame if such a thing existed. Whether you’re putting together a daily driver with a mild cam, a 600 hp N/A stroker, or a turbocharged 1000 hp brawler, our platinum spring kit will make sure your valves are right where your cam wants them to be at all times. They are designed to be used with stock rocker arms. This is a drop-in kit for 15° LS heads. It will also work with LS7 heads when used with a .045” shim (Part numbers SS015 +SS030). This kit will not fit LS9 engines. Spring specs are as follows: 155 lbs @ 1.780" 380 lbs @ 1.180" 400 lbs @ 1.130" Coil bind @ 1.070" ## Features - Brian Tooley Racing BTR Dual Spring Kit .660" - SK001 Spring Kit is highly recommended when upgrading your camshaft - .660" Lift dual spring kit for LS engines using stock rocker arms - Drop in spring kit for all 15 degree LS heads including LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA - Dual polished springs, matching retainers, locators for stock guides, locks and seals.Spring specs are as follows: 155 lbs @ 1.780" 380 lbs @ 1.180" 400 lbs @ 1.130" Coil bind @ 1.070" ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C5YDMPCX | | Best Sellers Rank | #40,576 in Automotive ( See Top 100 in Automotive ) #2 in Car Engine Valve Springs | | Brand | Dynosty | | Customer Reviews | 5.0 5.0 out of 5 stars (1) | | Date First Available | 27 May 2023 | | Exterior | Polished | | Item Weight | 2.01 Kilograms | | Item model number | BTR SK001 | | Manufacturer | Dynosty | | Manufacturer Part Number | SK001 | | Model | BTR Platinum LS Dual Spring Kit | | Package Dimensions | 31.09 x 9.6 x 7.9 cm; 2.01 kg | | Special Features | .660 Lift | ## Images ![Dynosty Brian Tooley Racing BTR LS .660" Dual Valve Springs Platinum Kit with Retainers SK001 (Steel) - Image 1](https://m.media-amazon.com/images/I/61KRjFeJhQL.jpg) ## Frequently Bought Together - Brian Tooley Racing BTR LS .660" Dual Valve Springs Platinum Kit with Retainers SK001 (Steel) - Brian Tooley BTR Delphi LS7 Lifters + Trays for Gen 3 Gen 4 LS + Gen 5 LT Engines X12499225-16 - 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 --- ## 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.tn/products/557061126-dynosty-brian-tooley-racing-btr-ls-660-dual-valve-springs](https://www.desertcart.tn/products/557061126-dynosty-brian-tooley-racing-btr-ls-660-dual-valve-springs) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-07-31*