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PAC Racing Springs engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PAC Racing Springs lineup with fast shipping and expert fitment support — order with confidence.
The PAC Racing HR Dual Valve Spring Kit is specifically curated for GM LS-series engines, offering a balanced approach to performance and reliability. This kit provides a comprehensive upgrade to your factory valvetrain, ensuring that your engine can handle increased lift and RPM without compromising durability. By utilizing a dual spring design, this kit offers superior control over the valve movement, which is essential for maximizing the potential of your LS engine.
Featuring a 370 lb/in spring rate and a 1.290-inch outer diameter, this kit is perfectly suited for street-performance builds and mild racing setups. The inclusion of high-quality chromoly retainers and steel seats ensures that the springs remain properly seated and aligned during operation, while the Viton seals prevent oil consumption and maintain proper combustion chamber integrity. This kit simplifies your build process by providing all the necessary hardware in one convenient package, saving you time and ensuring component compatibility. Whether you are upgrading your daily driver or a weekend warrior, this kit delivers the performance you expect from PAC Racing. Find your next performance upgrade at GGCRACING.
Other popular PAC Racing Springs products customers consider together:
PAC Racing Springs engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full PAC Racing Springs lineup with fast shipping and expert fitment support — order with confidence.
The PAC Racing HR Dual Valve Spring Kit is specifically curated for GM LS-series engines, offering a balanced approach to performance and reliability. This kit provides a comprehensive upgrade to your factory valvetrain, ensuring that your engine can handle increased lift and RPM without compromising durability. By utilizing a dual spring design, this kit offers superior control over the valve movement, which is essential for maximizing the potential of your LS engine.
Featuring a 370 lb/in spring rate and a 1.290-inch outer diameter, this kit is perfectly suited for street-performance builds and mild racing setups. The inclusion of high-quality chromoly retainers and steel seats ensures that the springs remain properly seated and aligned during operation, while the Viton seals prevent oil consumption and maintain proper combustion chamber integrity. This kit simplifies your build process by providing all the necessary hardware in one convenient package, saving you time and ensuring component compatibility. Whether you are upgrading your daily driver or a weekend warrior, this kit delivers the performance you expect from PAC Racing. Find your next performance upgrade at GGCRACING.
Other popular PAC Racing Springs products customers consider together: