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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 Springs HR Series Valve Spring is the gold standard for enthusiasts demanding consistent performance and durability. Engineered as a dual spring with an integrated damper, this unit is built to handle the rigors of high-performance street and track applications. With a 1.540-inch outer diameter and a precise 431 lb/in spring rate, it provides the necessary control to prevent valve float in high-revving engines.
The HR Series is designed to maintain seat pressure and open pressure over extended service intervals, making it an ideal choice for performance camshaft upgrades. The dual spring design offers a safety net, ensuring that even under extreme conditions, your valvetrain remains stable and responsive. Proper spring selection is critical to engine longevity; these springs are manufactured using advanced metallurgical processes to resist fatigue and heat-related degradation. Whether you are refreshing your engine or performing a top-end build, PAC Racing Springs provides the technical edge you need to stay ahead of the competition. Find your next performance upgrade today 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 Springs HR Series Valve Spring is the gold standard for enthusiasts demanding consistent performance and durability. Engineered as a dual spring with an integrated damper, this unit is built to handle the rigors of high-performance street and track applications. With a 1.540-inch outer diameter and a precise 431 lb/in spring rate, it provides the necessary control to prevent valve float in high-revving engines.
The HR Series is designed to maintain seat pressure and open pressure over extended service intervals, making it an ideal choice for performance camshaft upgrades. The dual spring design offers a safety net, ensuring that even under extreme conditions, your valvetrain remains stable and responsive. Proper spring selection is critical to engine longevity; these springs are manufactured using advanced metallurgical processes to resist fatigue and heat-related degradation. Whether you are refreshing your engine or performing a top-end build, PAC Racing Springs provides the technical edge you need to stay ahead of the competition. Find your next performance upgrade today at GGCRACING.
Other popular PAC Racing Springs products customers consider together:
