Carburetor Discharge Nozzles
Circle Track Race Car Carburetor Discharge Nozzles at JJ Motorsports
Fine-tune your circle track race car's accelerator pump shot with premium discharge nozzles from JJ Motorsports, engineered for precise fuel delivery and instant throttle response in high-RPM racing conditions. These high-quality Holley straight and screw-in nozzles are essential for optimizing pump shot volume and duration on 4150/4160 carbs, ensuring crisp holeshots and no bog for dirt track, oval, and stock car setups.
Shop Holley discharge nozzles for race-proven reliability. Explore related categories such as Circle Track Carburetors & Components, Carburetor Rebuild Kits, or Circle Track Air & Fuel to complete your carburetion setup and dominate the track with total confidence.
Top Circle Track Carburetor Discharge Nozzles
- Pump Discharge Nozzle HLY121-135 – .035" straight shooter nozzle; ideal for aggressive pump shot on alcohol and high-HP gas carbs.
- Pump Discharge Nozzle HLY121-31 – .031" screw-in nozzle; classic size for crisp response on 650–750 CFM street stock carbs.
- Pump Discharge Nozzle HLY121-118 – Anti-pulloff tube-style nozzle; reduces pump shot hesitation on high-vacuum engines.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
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Holley Pump Discharge Nozzle 121-135
HOLLEY
$24.75A properly functioning accelerator pump is critical for consistent throttle response and reliable engine startup across all driving conditions. The Holley 121-135 Pump Discharge Nozzle is engineered to deliver precise fuel atomization during...HLY121-135- SKU:
- HLY121-135
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-135
$24.75 -
Holley Accelerator Discharge Nozzle - Hollow 121-7
HOLLEY
$20.10The accelerator discharge nozzle is a critical component in your Holley carburetor's fuel delivery system, directly affecting throttle response and off-idle performance. A worn or incorrectly sized nozzle compromises your engine's transition from idle to...HLY121-7- SKU:
- HLY121-7
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
$20.10 -
Holley Pump Discharge Nozzle 121-42
HOLLEY
$47.78The accelerator pump discharge nozzle is a critical component that directly affects throttle response and fuel delivery precision in Holley carburetors. A worn or damaged nozzle causes inconsistent fuel atomization, leading to hesitation during...HLY121-42- SKU:
- HLY121-42
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 121-42
$47.78 -
Holley Pump Discharge Nozzle 121-40
HOLLEY
$45.64A properly functioning accelerator pump discharge nozzle is critical for consistent fuel atomization and throttle response in Holley carburetors. Over time, these nozzles wear, clog, or crack, causing hesitation, flat spots, and unpredictable...HLY121-40- SKU:
- HLY121-40
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- 121-40
$45.64 -
Holley Pump Discharge Nozzle 121-37
HOLLEY
$45.64The accelerator pump is critical to fuel delivery response in any Holley carburetor, and a worn or damaged discharge nozzle will cause hesitation, flat spots, or inconsistent throttle response. This OEM Holley replacement nozzle restores proper fuel...HLY121-37- SKU:
- HLY121-37
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-37
$45.64 -
Holley Pump Discharge Nozzle 121-35
HOLLEY
$42.64The accelerator pump in your Holley carburetor relies on precision fuel delivery during throttle transitions, and a worn or damaged discharge nozzle directly compromises that responsiveness. This OEM Holley replacement nozzle ensures consistent fuel...HLY121-35- SKU:
- HLY121-35
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- 121-35
$42.64 -
Holley Pump Discharge Nozzle 121-31
HOLLEY
$44.79The accelerator pump discharge nozzle is a critical component for precise fuel delivery during acceleration. A worn or incorrect nozzle diameter disrupts your carburetor's air-fuel mixture at the moment you need it most, causing hesitation and flat spots...HLY121-31- SKU:
- HLY121-31
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-31
$44.79 -
Holley Pump Discharge Nozzle 121-28
HOLLEY
$44.79The accelerator pump discharge nozzle is a critical component in Holley carburetor systems, delivering precise fuel atomization during throttle transitions. A worn or incorrect nozzle will cause hesitation, bog, and unpredictable throttle response—issues...HLY121-28- SKU:
- HLY121-28
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 121-28
$44.79 -
Holley Pump Discharge Nozzle 121-25
HOLLEY
$44.79A worn or undersized accelerator pump discharge nozzle will rob your carburetor of crisp throttle response and consistent fuel delivery off the line. The Holley 121-25 is a precision-engineered replacement that restores proper atomization and tuning...HLY121-25- SKU:
- HLY121-25
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-25
$44.79 -
Holley Pump Discharge Nozzle 121-150
HOLLEY
$27.30A properly functioning accelerator pump discharge nozzle is critical for consistent fuel delivery and throttle response in Holley carburetors. Without precision tuning at this component level, you'll experience flat spots off the line or erratic fuel...HLY121-150- SKU:
- HLY121-150
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- 121-150
$27.30 -
Holley Pump Discharge Nozzle 121-145
HOLLEY
$27.30The accelerator pump discharge nozzle is a critical component that directly affects throttle response and fuel atomization in your Holley carburetor. A worn or improper nozzle creates dead spots during acceleration and compromises the precision fuel...HLY121-145- SKU:
- HLY121-145
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- 121-145
$27.30 -
Holley Pump Discharge Nozzle 121-140
HOLLEY
$24.75A worn or missing accelerator pump discharge nozzle will compromise fuel delivery consistency and throttle response in your Holley carb—leaving you with flat spots and unpredictable power delivery on the strip or street. This OEM Holley nozzle restores...HLY121-140- SKU:
- HLY121-140
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- 121-140
$24.75 -
Holley Pump Discharge Nozzle 121-137
HOLLEY
$24.75The accelerator pump discharge nozzle is a critical component for consistent fuel atomization and precise throttle response in Holley carburetors. A worn or incorrect nozzle directly impacts cold-start performance, transition off-idle, and overall...HLY121-137- SKU:
- HLY121-137
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 121-137
$24.75 -
Holley Pump Discharge Nozzle 121-132
HOLLEY
$27.30Precise fuel delivery during acceleration is critical to carburetor performance, and a worn or incorrect discharge nozzle will compromise throttle response and fuel atomization. The Holley 121-132 pump discharge nozzle ensures your accelerator pump...HLY121-132- SKU:
- HLY121-132
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-132
$27.30 -
Holley Pump Discharge Nozzle 121-131
HOLLEY
$27.30Precise fuel delivery during acceleration is critical for consistent carburetor performance, and a worn or damaged pump discharge nozzle will cause flat spots and hesitation when you need throttle response most. The Holley 121-131 ensures atomized fuel...HLY121-131- SKU:
- HLY121-131
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-131
$27.30 -
Holley Pump Discharge Nozzle 121-128
HOLLEY
$27.30The accelerator pump discharge nozzle is a critical component for consistent fuel delivery during throttle transitions. A worn or damaged nozzle compromises the precision spray pattern, leading to hesitation, stumbles, and unpredictable throttle response...HLY121-128- SKU:
- HLY121-128
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-128
$27.30 -
Holley Pump Discharge Nozzle 121-125
HOLLEY
$27.30The accelerator pump discharge nozzle is a critical component for consistent fuel delivery during throttle transitions—worn or incorrectly sized nozzles result in flat spots, hesitation, and poor drivability. If you're running a Holley carburetor and...HLY121-125- SKU:
- HLY121-125
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-125
$27.30 -
Holley Pump Discharge Nozzle 121-121
HOLLEY
$27.30If your Holley carburetor is stumbling off the line or hesitating during acceleration, a worn or incorrect accelerator pump discharge nozzle is often the culprit. This pair of OEM Holley nozzles restores crisp throttle response and consistent fuel...HLY121-121- SKU:
- HLY121-121
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 121-121
$27.30 -
Holley Pump Discharge Nozzle 121-118
HOLLEY
$27.30The accelerator pump is only as effective as its discharge nozzle—a worn or improperly sized nozzle creates lean stumbles and hesitation during throttle transitions that cost you consistency on the track. The Holley 121-118 delivers precise fuel...HLY121-118- SKU:
- HLY121-118
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-118
$27.30 -
AED .042in Accelerator Pump Squirters - Tube Type 5542
ADVANCED ENGINE DESIGN
$17.19.042in Accelerator Pump Squirters - Tube TypeAccelerator Pump Discharge Nozzle0.042 in IDTube TypeHolley CarburetorsPairAED5542- SKU:
- AED5542
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 5542
$17.19