Air & Fuel Delivery
Availability
Cram the right air/fuel ratio into your engine and you create incredible horsepower. Summit Racing has everything you need to find that mix, starting with carburetors...
Cram the right air/fuel ratio into your engine and you create incredible horsepower. Summit Racing has everything you need to find that mix, starting with carburetors for street to strip, plus intake manifolds ranging from stock-height replacements to hood-busting tunnel rams. If you’e ready to advance to fuel injection, we’ve got you covered with injectors, manifolds, fuel rails, sensors, and complete performance EFI conversion kits. We’ve also got cold air intakes, fuel pumps, fuel filters, superchargers, turbochargers, nitrous kits, methanol injection kits, hood scoops, and air filters—there’s no excuse for starving...
Cram the right air/fuel ratio into your engine and you create incredible horsepower. Summit Racing has everything you need to find that mix, starting with carburetors for street to strip, plus intake manifolds ranging from stock-height replacements to hood-busting tunnel rams. If you’e ready to advance to fuel injection, we’ve got you covered with injectors, manifolds, fuel rails, sensors, and complete performance EFI conversion kits. We’ve also got cold air intakes, fuel pumps, fuel filters, superchargers, turbochargers, nitrous kits, methanol injection kits, hood scoops, and air filters—there’s no excuse for starving that horsepower-hungry beast now!
Showing In Stock Items. Show All Items.
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
BUILD IT WITH SUMMIT!
Needle and Seat, Gasoline, Viton®, 0.110 in. Seat, Each
Part Number: SUM-200401
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 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 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
Needle and Seat, Stainless Steel, 0.150 in. Seat, Holley, Center-Hung Floats, Each
Part Number: AED-5117
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
Needle/Seat Hardware Kit, Externally Adjustable Float, Kit
Part Number: SUM-200400
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Needle and Seats, Viton®, 0.110 in. Seat, Holley, Center-Hung Floats, Pair
Part Number: AED-5110
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Needle and Seat, Gasoline, Viton®, 0.130 in. Seat, Center-Hung Floats, Each
Part Number: QFT-18-4QFT
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
Needle and Seat, Alcohol, Titanium, Adjustable, 0.150 in. Seat, Center-Hung Floats, Each
Part Number: QFT-18-12QFT
Not Yet Reviewed
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Needle and Seat, Gasoline, Viton®, 0.120 in. Seat, Center-Hung Floats, Each
Part Number: QFT-18-3QFT
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Needle and Seat, Gasoline, Viton®, 0.110 in. Seat, Center-Hung Floats, Each
Part Number: QFT-18-2QFT
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
Needle and Seats, Off-Road, Viton®, 0.0935 in. Seat, Performer, Performer AVS, Pair
Part Number: EDL-1465
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
Needle and Seat, Off-Road, Gasoline, Viton®, 0.097 in. Seat, Each
Part Number: SUM-200403
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Needle and Seat, Brawler Series, Gasoline, Viton®, 0.120 in. Seat, Center-Hung Floats, Each
Part Number: QFT-BR-67239
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Needle and Seat, Gasoline, Viton®, 0.097 in. Seat, Each
Part Number: SUM-200402
Estimated Ship Date: Monday 11/17/2025
Estimated Ship Date: Monday 11/17/2025
Needle and Seat, Viton®, 0.130 in. Seat, Center-Hung Floats, Pair
Part Number: MOR-65412
Not Yet Reviewed
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
Needle and Seats, High Flow, Viton®, 0.110 in. Seat, Performer, Performer AVS, Pair
Part Number: EDL-1466
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.
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
Summit Racing™ Needle and Seat Assemblies SUM-200401
