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
-
Holley Pump Discharge Nozzle 121-135
HOLLEY
$25.74A 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...HLY121-135- SKU:
- HLY121-135
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-135
$25.74Qty in Cart: 0Quantity:Price:$25.74Subtotal: -
Holley Accelerator Discharge Nozzle - Hollow 121-7
HOLLEY
$20.90The 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...HLY121-7- SKU:
- HLY121-7
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
$20.90 -
Holley Pump Discharge Nozzle 121-42
HOLLEY
$49.95The 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...HLY121-42- SKU:
- HLY121-42
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 121-42
$49.95Qty in Cart: 0Quantity:Price:$49.95Subtotal: -
Holley Pump Discharge Nozzle 121-40
HOLLEY
$47.47A 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,...HLY121-40- SKU:
- HLY121-40
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- 121-40
$47.47 -
Holley Pump Discharge Nozzle 121-37
HOLLEY
$47.47The 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...HLY121-37- SKU:
- HLY121-37
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-37
$47.47 -
Holley Pump Discharge Nozzle 121-35
HOLLEY
$44.35The 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...HLY121-35- SKU:
- HLY121-35
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- 121-35
$44.35 -
Holley Pump Discharge Nozzle 121-31
HOLLEY
$46.58The 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...HLY121-31- SKU:
- HLY121-31
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-31
$46.58Qty in Cart: 0Quantity:Price:$46.58Subtotal: -
Holley Pump Discharge Nozzle 121-28
HOLLEY
$46.58The 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...HLY121-28- SKU:
- HLY121-28
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 121-28
$46.58 -
Holley Pump Discharge Nozzle 121-25
HOLLEY
$46.58A 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...HLY121-25- SKU:
- HLY121-25
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-25
$46.58 -
Holley Pump Discharge Nozzle 121-150
HOLLEY
$28.39A 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...HLY121-150- SKU:
- HLY121-150
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- 121-150
$28.39 -
Holley Pump Discharge Nozzle 121-145
HOLLEY
$28.39The 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...HLY121-145- SKU:
- HLY121-145
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- 121-145
$28.39 -
Holley Pump Discharge Nozzle 121-140
HOLLEY
$25.74A 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...HLY121-140- SKU:
- HLY121-140
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- MFG Part #:
- 121-140
$25.74 -
Holley Pump Discharge Nozzle 121-137
HOLLEY
$25.74The 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...HLY121-137- SKU:
- HLY121-137
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 121-137
$25.74Qty in Cart: 0Quantity:Price:$25.74Subtotal: -
Holley Pump Discharge Nozzle 121-132
HOLLEY
$28.39Precise 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...HLY121-132- SKU:
- HLY121-132
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-132
$28.39 -
Holley Pump Discharge Nozzle 121-131
HOLLEY
$28.39Precise 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...HLY121-131- SKU:
- HLY121-131
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-131
$28.39 -
Holley Pump Discharge Nozzle 121-128
HOLLEY
$28.39The 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...HLY121-128- SKU:
- HLY121-128
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-128
$28.39 -
Holley Pump Discharge Nozzle 121-125
HOLLEY
$28.39The 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...HLY121-125- SKU:
- HLY121-125
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-125
$28.39 -
Holley Pump Discharge Nozzle 121-121
HOLLEY
$28.39If 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...HLY121-121- SKU:
- HLY121-121
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 121-121
$28.39 -
Holley Pump Discharge Nozzle 121-118
HOLLEY
$28.39The 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...HLY121-118- SKU:
- HLY121-118
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- 121-118
$28.39 -
AED .042in Accelerator Pump Squirters - Tube Type 5542
ADVANCED ENGINE DESIGN
$18.38.042in 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
$18.38
