Fine-Tune Accelerator Pump Shot & Timing: The 20-12 accelerator pump cam assortment kit allows precise control of fuel delivery during throttle opening. By adjusting pump shot volume and timing, it helps eliminate off-idle hesitation and improves overall carburetor throttle response.
8 Different Cam Profiles for Performance Tuning:This for holley accelerator pump cam assortment includes 8 uniquely shaped cam profiles, allowing you to customize pump action based on engine setup, driving style, and performance goals. Ideal for street, performance, and racing applications.
Improves Throttle Response & Acceleration: The accelerator pump cam kit Different cam ramps control how quickly and how long fuel is injected. Steeper profiles deliver faster fuel for instant response, while gradual ramps extend pump duration—perfect for dialing in smooth acceleration without bogging.
Widely compatible: Designed as a for Holley accelerator pump cam kit, this set fits for Holley 2300, 4150, and 4160 carburetor models, making it a versatile tuning solution for muscle cars, classic vehicles, and performance builds.
Ideal for DIY Carburetor Tuning & Engine Upgrades: Whether correcting hesitation after engine modifications or optimizing throttle feel, this accelerator pump cam kit is perfect for DIY tuners, restorations, and performance carburetor setups.
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