Availability
Carburetor Needle and Seats, Holley, Viton® Inlet Needle, Adjustable, Steel, 0.110 in. Seat, Center Hung Float Style, Gaskets Included, Each
Part Number: HLY-6-504
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Viton® Inlet Needle, Adjustable, Center Hung Float Style, 0.130 in. Seat, Gasket Included, Pair
Part Number: HLY-6-522
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Holley, Viton® Inlet Needle, Adjustable, Steel, 0.097 in. Seat, Side Hung Float Style, Gaskets Included, Each
Part Number: HLY-6-506
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Viton® Inlet Needle, Adjustable, Center Hung Float Style, 0.120 in. Seat, Gasket Included, Pair
Part Number: HLY-6-518-2
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Kits, Adjusting Hardware, Needle and Seat, External Adjustable, Brass Screw, Nut, Washers, Gold Finish, Kit
Part Number: HLY-34-7
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Holley, Inlet Needle, Steel, Adjustable, 0.150 in. Seat, Center Hung Float, Gaskets, for 750 cfm or Larger Carb, Pair
Part Number: HLY-6-519-2
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Holley, Inlet Needle, Titanium, Adjustable, 0.150 in. Seat, Center Hung Float, Gaskets, for 750 cfm or Larger Carb, Each
Part Number: HLY-6-521
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Gaskets, Needle and Seat, Top Gasket, Fiber Material, 10-piece, Set
Part Number: HLY-1008-777
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Holley, Inlet Needle, Adjustable, Steel, 0.120 in. Seat, Center Hung Float, Gaskets, for 750 cfm or Larger Carb, Pair
Part Number: HLY-6-502-2
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Gaskets, Needle and Seat, Bottom Gasket, Fiber Material, 10-piece, Set
Part Number: HLY-1008-776
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Holley, Inlet Needle, Steel, Adjustable, 0.130 in. Seat, Center Hung Float, Gaskets, for 750 cfm or Larger Carb, Pair
Part Number: HLY-6-515-2
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Viton® Inlet Needle, Spring Loaded, Adjustable, Steel, 0.097 in. Seat, Side Hung Float Style, Gasket Included, Each
Part Number: HLY-6-513
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Viton® Inlet Needle, Non-Adjustable, Steel, 0.101 in. Seat, Side Hung Float Style, Gasket Included, Each
Part Number: HLY-6-511
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Kits, Adjusting Hardware, Needle and Seat, External Adjustable, Brass Screw, Nut, Washers, Black Finish, Kit
Part Number: HLY-34-7BK
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Holley, Inlet Needle, Adjustable, Steel, 0.110 in. Seat, Center Hung Float, Gaskets, for 735 cfm or Smaller Carb, Pair
Part Number: HLY-6-500-2
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Holley, Inlet Needle, Adjustable, Steel, 0.097 in. Seat, Center Hung Float, with Gaskets, for Small 4-barrel Carb, Pair
Part Number: HLY-6-501-2
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Viton® Inlet Needle, Adjustable, Steel, 0.097 in. Seat, Side Hung Float Style, Gaskets, for Holley R4224 Carb Only, Each
Part Number: HLY-6-508
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Viton® Inlet Needle, Non-Adjustable, Steel, 0.110 in. Seat, Side Hung Float Style, Gasket Included, Each
Part Number: HLY-6-510
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Carburetor Needle and Seats, Center Hung Fuel Bowl Float, Viton® Needle, Adjustable, Demon, Holley, 10-piece, Set
Part Number: HLY-1018-135
Not Yet Reviewed
Estimated Ship Date: Nov 26, 2025 if ordered today
Estimated Ship Date: Nov 26, 2025 if ordered today
Rebuid Kits, Carburetor Renew, 4160 Models, Gaskets, O-rings, Pump Diaphragm, Needle, Seats, Power Valve, Instructions, Kit
Part Number: HLY-37-119
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Fuel Injectors, 42 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.42 in. Seat Height, High Impedance, 8-pieces, Set
Part Number: HLY-522-428
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Fuel Injectors, 36 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated, 2.85 in. Seat Height, High Impedance, 12.2 ohms, 8-pieces, Set
Part Number: HLY-522-368
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Fuel Injectors, 66 lbs/hr, Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.42 in. Seat Height, Low Impedance, 2.2 ohms, 8-pieces, Set
Part Number: HLY-522-668
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Fuel Injectors, 48 lbs/hr, Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.42 in. Seat Height, High Impedance, 12.2 ohms, 8-pieces, Set
Part Number: HLY-522-488
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Fuel Injectors, 160 lbs/hr., Tri-cone Spray, Bosch Plug, EV1 Body, 12V Saturated Circuit, 2.85 in. Seat Height, Low Impedance, 2.0 ohms, 8-pieces, Set
Part Number: HLY-522-168
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.