Holley Rebuilder Carb Rebuild Kit For 715-850 CFM Vacuum Secondary With Le Mans Fuel Bowls. This Rebuilder Kit Is Ethanol Tolerant. These new gaskets fit 4150 Series 715-850 CFM Holley 4 barrel carbs with vacuum secondary, 1-11/16" or 1-3/4" throttle bores and removable jets in the secondary and Le Mans fuel bowls.
