LS1/LS6 Chevy/GMC V-8 Valve Spring Kit

• Made from premium quality chrome-silicone steel
• Precision-wound and heat-set for durability
• Spintron-proven and dyno-tested
• Increases horsepower and torque yield for any LS1 cam profile
• Quiet-operating dual spring design controls harmonics without triggering stock "knock sensor"
• titanium alloy spring retainers seats & seals included!
• No-matching required to install
• This is the LS1 spring that works and doesn't break!


$340.99