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Iskenderian engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Iskenderian lineup with fast shipping and expert fitment support — order with confidence.
The Iskenderian 9985RAD Valve Springs represent the pinnacle of valvetrain technology for serious racing engines. Part of the renowned RAD-9000 series, these springs are specifically engineered to handle the extreme loads and high RPMs encountered in professional-grade motorsports. With a dual-spring architecture and an advanced damper, they provide exceptional stability and prevent the valve float that kills performance.
These springs are designed for builders who refuse to compromise. The 500 lb/in spring rate ensures that your valves return to the seat with authority, even when utilizing aggressive camshaft profiles and high-lift rocker arms. The 1.560-inch outer diameter is a standard fitment for many high-performance cylinder heads, offering a perfect balance of clearance and spring force. By utilizing premium materials and heat-treatment processes, these springs maintain their pressure over long durations, ensuring your engine performs as well in the final lap as it did in the first. For those seeking the best in valvetrain control, these Iskenderian springs are the gold standard available at GGCRACING.
Other popular Iskenderian products customers consider together:
Iskenderian engineers high-quality automotive parts and accessories trusted by enthusiasts and shops across North America. At GGCRACING we stock the full Iskenderian lineup with fast shipping and expert fitment support — order with confidence.
The Iskenderian 9985RAD Valve Springs represent the pinnacle of valvetrain technology for serious racing engines. Part of the renowned RAD-9000 series, these springs are specifically engineered to handle the extreme loads and high RPMs encountered in professional-grade motorsports. With a dual-spring architecture and an advanced damper, they provide exceptional stability and prevent the valve float that kills performance.
These springs are designed for builders who refuse to compromise. The 500 lb/in spring rate ensures that your valves return to the seat with authority, even when utilizing aggressive camshaft profiles and high-lift rocker arms. The 1.560-inch outer diameter is a standard fitment for many high-performance cylinder heads, offering a perfect balance of clearance and spring force. By utilizing premium materials and heat-treatment processes, these springs maintain their pressure over long durations, ensuring your engine performs as well in the final lap as it did in the first. For those seeking the best in valvetrain control, these Iskenderian springs are the gold standard available at GGCRACING.
Other popular Iskenderian products customers consider together:
