Holley 37-1542 Vacuum Secondary Kit (371542)

Five Holley Fast Kits cover the entire spectrum of Holley performance carburetors. Holley Fast Kits include only genuine Holley parts and are also competitively priced. When your Holley is rebuilt using a genuine Holley Fast Kit, you are assured that original Holley quality is being maintained. Detailed instructions are included. Ideal for a quick refresher of your carburetor.