1. This bracket fits 2 barrel and 4 barrel carburetors in combination with both manual and automatic transmissions. 2. The bracket is fully adjustable to allow for different carburetor configurations. 3. This bracket also includes a set screw feature to eliminate bracket movement. 4. Works on all Edelbrock, Holley, Carter, Rochester, demon, afb, quadrajet & also works with dual quad carbs 5. Material: iron
