Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. 'Proven performance' is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quality. Edelbrock core products are engineered manufactured and tested in the USA to ensure the best quality possible. This is further backed by some of the best warranties in the industry and a highly qualified technical support staff.
Edelbrock products offer improved performance and aesthetics for a broad array of vehicles and engines. 'Proven performance' is the philosophy by which Edelbrock was founded and it continues to this day with the highest standards for performance and quality. Edelbrock core products are engineered manufactured and tested in the USA to ensure the best quality possible. This is further backed by some of the best warranties in the industry and a highly qualified technical support staff.
Our 977 Dual Valve Springs are perfect for higher performance applications that need more valve spring pressure and an increased installed height to handle more aggressive cams.
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![COMP Cams 977-4 VALVE SPRING, 1.460\" 972-973](https://sdda.semadata.org/Standard/Edelbrock/977-4.jpg "COMP Cams 977-4 VALVE SPRING, 1.460\\" 972-973")
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