Specially designed for drag race applications to isolate carburetor from manifold, spacers prevent horsepower-robbing heat transfer and increase the distance from the bottom of the carburetor to the manifold plenum for better air flow. Spacers are CNC-machined in the U.S. from a polymer compound able to withstand temperatures up to 400?F. Available in open or four hole versions for 4150 and 4500 series Holley and Holley style carburetors in 1/2", 1" and 2" thicknesses. Tapered four-hole spacers have specially contoured holes to increase air velocity under the carburetor. Not intended or recommended for street use.
Shipping Origin: To get you your order faster we utilize many warehouses all over the US. Not all items will ship to you directly from our location in Michigan.
Order Cancellation: Orders are processed within 10 minutes of placing your order. If you wish to cancel an order please contact us immediately or it may be too late due to the promptness in which we process and ship orders.
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Domestic Shipping: The shipping cost on this listing or the "Free Shipping" is for the lower 48 States. "Signature Required" is automatically applied to order over $700 and it recommended for all orders however you must request this via eBay message.