Name: Brian Tooley Racing BTR Dual Spring Kit .660" LS1 LS2 LS3 LQ4 Titanium Retainers Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA
Brand: Btr
Availability: OutOfStock

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

HIGH PERFORMANCE SPRING SPECS - 155 lbs @ 1.780", 380 lbs @ 1.180", 400 lbs @ 1.130" for superior valve stability
LIGHTWEIGHT TITANIUM RETAINERS - Reduce valvetrain mass for faster RPM response and durability
EFFORTLESS DROP IN INSTALLATION - Includes locators, locks, and seals for a hassle-free upgrade experience
UNIVERSAL LS HEAD COMPATIBILITY - Seamlessly fits LS1, LS2, LS3, LQ4, and more with stock rocker arms
PRECISION ENGINEERED DUAL SPRINGS - Optimized .660" lift for maximum valve control and camshaft compatibility

The Brian Tooley Racing BTR Dual Spring Kit features .660" lift dual springs paired with lightweight titanium retainers, engineered for LS engines using stock rocker arms. Designed as a drop-in upgrade for all 15° LS heads including LS1 through LSA variants, it delivers enhanced valve control and durability with high-performance spring rates and easy installation.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Trustpilot

TrustScore 4.5 | 7,300+ reviews

Farhan Q.

The delivery time was excellent, and the packaging was secure.

2 months ago

Ali H.

Fast shipping and excellent packaging. The Leatherman tool feels very premium and sturdy.

1 day ago

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Manufacturer	Michigan Motorsports
Brand	BTR
Product Dimensions	30.99 x 9.65 x 7.62 cm; 1.99 kg
Manufacturer reference	BTR SK001/T/0560/BB
Manufacturer Part Number	BTR SK001/T/0560/BB
Position	Front
Item Weight	1.99 Kilograms

Brian Tooley Racing BTR Dual Spring Kit .660" LS1 LS2 LS3 LQ4 Titanium Retainers Fits LS1 LS2 LS3 LS4 LS6 L76 L92 L99 LQ4 LQ9 L33 LSA

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