HOLES A BIT TO LINE THEM UP ON INTAKE., THERE VERY TIGHT ON THE STUDS. 4 HOLE ( 4150 AND 4160 SERIES).
1 Inch Aluminum Open Carburetor Spacer
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Pair 1" Inch Aluminum Extruded Leaf Spring Lowering Blocks US Stock
CV Products Open 1.00" Aluminum Carburetor Spacer Holley NASCAR
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1 inch T6 Aluminum 4150 CNC Machined Carburetor Spacer Square Bore 4 Port Black
