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.; Shim kits contain (16) pieces of each thickness listed
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.; Shim kits contain (16) pieces of each thickness listed
These .030" thick Valve Spring Shims with 1.250" outside diameter and .814" inside diameter are used to equalize the installed height of valve springs. Made from the highest quality shim stock these shims are heat treated to stand up to radical Cam lobes. Kits are also available.
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![COMP Cams 4742-16 Valve Spring Shim Kit - 1.250\" OD, .814\" ID .030\" Thickness](https://sdda.semadata.org/Standard/Edelbrock/4742-16.jpg "COMP Cams 4742-16 Valve Spring Shim Kit - 1.250\\" OD, .814\\" ID .030\\" Thickness")
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