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๐ Dominate your LS build with precision valvetrain control!
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 15ยฐ LS heads and is ideal for street, strip, and boosted applications.






















| 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 |
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