Check the listing for details. AED Holley 41501 Rebuild Kit Double Pumper Carb 650 750 850 950 1000. Condition: New. Listed at 89.94 USD. AED Holley 41501 4 Barrel PRO Carb Rebuild Kit: Double Pumper This rebuild kit is for 750 and 650 Holley Double Pumper Carburetors The kit will also work on 390 through 1000 cfm Mechanical Secondary Holley Carburetors ( 390 , 600 , 650 , 700 , 750 , 800 , 850 , 900 , 950 , and 1000 cfm )This is the professional rebuild kit that includes the parts in the Ultimate kit, plus additional exterior bolts AED has combined every possible add-on feature and incorporated them into each kit to give you improved performance from your Holley Carburetor High Flow .110" Needle & Seats Nylon reusable needle and seat gaskets Nylon reusable bowl screw gaskets New brass idle mixture screws New needle and seat nuts and screws New accelerator pump squirter check valves Special no-leak fuel inlet gaskets Non stick bowl & metering gaskets4.5 power valve Additional parts included in this Pro Series rebuild kit: New bowl screws and pump nozzle screws New pump cover and throttle plate screws Needle and seat nuts and screws Baseplate screws and idle mixture screws Idle speed position screw and idle speed spring Sight plug screws and secondary connecting link Miscellaneous clips, pins, and hardwareDoes not include any other hardware other than what is listed above This application for this rebuild kit is aftermarket mechanical secondary Holley 4150 square bore carburetors, will not work on Original Equipment (OE) carburetors This kit will not work on spreadbore / Quadrajet replacement carburetors (check my other listings) Possible double pump Holley 4150 carbs (Please ask if you are unsure of your application): 0-4776C 0-4777C 0-4778C 0-4779C 0-4780C 0-4781C 0-4776S 0-4777S 0-4778S 0-4779S 0-4780S 0-4781S 0-80507-1 0-80540-1 0-80541-1 0-80529-1 0-80528-1 0-80535-1 0-80509-1 0-80511-1 0-80496-1 0-80498-1 0-80513-1 0-80514-1 0-76650BK 0-76650BL 0-76650D 0-76750BK 0-76750BL 0-76750D 0-80674 0-80675 0-80676 4295 4776 4776-1 4776-2 4776-3 4776-4 4776-5 4776-6 4777 4777-1 4777-2 4777-3 4777-4 4777-5 4777-6 4778 4778-1 4778-2 4778-3 4778-4 4778-5 4778-6 4779 4779-1 4779-2 4779-3 4779-4 4779-5 4779-6 4779-7 4779- 84780 4780-1 4780-2 4780-3 4780-4 4780-5 4780-6 4781 4781-1 4781-2 4781-3 4781-4 4781-5 4781-6 4781-7 6895 8156 8162 8804 9379 9380 9381 80572 80573 80574 80575 80576 80576 80577 80776 80777 80778 80779 80780 80781 81670 81770 84776 84777 84778 84779 84780 84781 Click here to shop my store! Purchase Details: eCheck payments wait to ship until the eCheck clears, per PayPal instructions Sales tax is collected for most states, please review your total purchase amount before committing to buy International buyers pay import duties / customs fees My name is Chris and I sell on eBay using the golden rule: treat others as I'd want to be treated (and it's worked so far: look at my feedback since 1999 on eBay). I'm happy to answer any questions. I want each transaction to go smoothly!