( 21 ), Carburetor Spacer, Plastic, 2 in. by BOOT Fri Dec 19, 2014 1:33 pm, Post holley 650dp Polymer spacers cannot be stacked or ported, which does limit their use as tuning devices. Thick, Tapered Combo, Square Bore, Each, Estimated USA Ship Date: Thick, Open, Square Bore, Each, 4.43 out of 5 stars However, they are the most durable and the only type of spacer allowed by most racing sanctioned bodies. Thick, 4-Hole, Square Bore, Each, 4.18 out of 5 stars Summit Racing Carburetor Spacers SUM-G1408, Summit Racing Carburetor Spacers SUM-G1412, Summit Racing Carburetor Spacers SUM-G1409, Trans-Dapt Performance Carburetor Spacers 2582, Allstar Performance Hi-Flow Carburetor Spacers ALL25980, Trans-Dapt Performance Carburetor Spacers 2180, Allstar Performance Hi-Flow Carburetor Spacers ALL25992, Allstar Performance Hi-Flow Carburetor Spacers ALL25991, Trans-Dapt Performance Carburetor Spacers 2584, Summit Racing Carburetor Spacers SUM-G1413, Allstar Performance Hi-Flow Carburetor Spacers ALL25981, Summit Racing Carburetor Spacers SUM-G1412-Q, Allstar Performance Hi-Flow Carburetor Spacers ALL25986, Allstar Performance Hi-Flow Carburetor Spacers ALL25990. Machine an aluminum insert to line inner oak spacer. There was a problem adding this item to Cart. Carburetor Spacer Fits 4 barrel carbs with a square bore base like the replacement for Holley 4150/4160. Today, Carburetor Spacer, Polymer, 1 in. The advanced phenolic laminate transfers approximately ten times less heat to the carburetor resulting in cooler denser fuel/air mixtures. This one is very vintage, it is bakelite and I'm sure is more intended to keep heat out of the carb than it is intended to help increase the plenum volume, but it does have an odd configuration that is somewhat akin to removing the plenum divider in the manifold. This is a custom order part. Results 1 - 25 Thick, Open, Square Bore, Each, 4.77 out of 5 stars Full content visible, double tap to read brief content. Shipping cost, delivery date, and order total (including tax) shown at checkout. /* How To Cite The Articles Of Confederation Chicago, 1688 Mason Street San Francisco Rent, Ranvir Singh Sacramento, Ca, Articles P