Holley Secondary Spring Chart. The video describes the various rate secondary springs, how to change them, and the testing procedures to follow to make sure the secondaries open properly for best performance.
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The video describes the various rate secondary springs, how to change them, and the testing procedures to follow to make sure the secondaries open properly for best performance.
1 Holley secondary spring chart
The Video Describes The Various Rate Secondary Springs, How To Change Them, And The Testing Procedures To Follow To Make Sure The Secondaries Open Properly For Best Performance.
