TSP 81141BK Intake Elbow Holley 4150 Flange with LS 105MM Throttle Body Pattern

If you're looking for a unique way to switch from carb to EFI, TSP's 105mm throttle body elbow will help get the job done. GM LS 105mm Cast Aluminum Throttle Body Elbow with 4150 Flange - Satin. Intake Manifold Flange Style 4150 Square Bore.