Holley Accelerator Pump Discharge Nozzle 121-140 | 0.040" Extreme Flow Pair

Holley Accelerator Pump Discharge Nozzles - Part #121-140

Fine-tune your Holley carburetor's accelerator pump fuel delivery with these precision discharge nozzles. The 0.040" orifice size provides extreme fuel delivery volume, ideal for ultra-high-performance racing applications, forced induction systems, and heavily modified engines requiring the absolute richest pump shot to eliminate any lean conditions during maximum acceleration. Sold as a pair with gaskets and mounting screws included for complete installation.

What's Included:

• 2x accelerator pump discharge nozzles (0.040" orifice)
• 4x nozzle gaskets for leak-free installation
• 2x nozzle mounting screws

Key Features:

• Extreme Orifice Size: 0.040" hole size for maximum fuel delivery
• Straight Design: Direct spray pattern for optimal fuel distribution
• Genuine Holley Quality: OEM-grade components for reliable performance
• Complete Kit: Includes gaskets and mounting screws for professional installation
• Pair Included: Two nozzles for dual-feed or replacement applications

Performance Benefits:

• Delivers extreme accelerator pump shot volume for maximum performance
• Completely eliminates lean conditions during aggressive acceleration
• Essential for high-boost and nitrous applications
• Provides instant throttle response for drag racing and competition
• Perfect for engines with extreme airflow and fuel demands

Ideal Applications:

• Professional drag racing and competition engines
• High-boost supercharged and turbocharged applications
• Large-shot nitrous oxide systems
• Pro street and extreme street/strip combinations
• Heavily modified engines with radical camshafts and ported heads
• Maximum performance applications requiring richest available pump shot

Technical Specifications:

• Part Number: 121-140
• Orifice Size: 0.040 inches (extreme flow)
• Type: Straight discharge nozzle
• Quantity: 2 nozzles, 4 gaskets, 2 screws
• Application: Holley Performance Carburetors

Fast dispatch from our Perth warehouse. In-store pickup available for local customers.