Quick view Edelbrock Edelbrock Throttle Linkage Carb Two Barrel Non Progressive 6X2 X1 - 1031 Compare $423.99 The Edelbrock part #1031 X1 Linkage Kit is designed to facilitate the synchronous operation of multiple two-barrel carburetors. The #1031 kit is designed to support six two-barrel carburetors installed on the Edelbrock X1 manifold for small block Chevy... Add to Cart Add to Cart