Holley 20-81 Yellow Accelerator Pump Cam for 4500 Carburetors

The Holley 20-81 Yellow Accelerator Pump Cam is designed for use with Holley 4500 series carburetors, offering precise control over the fuel delivery during throttle operation. Crafted from durable plastic, this pump cam ensures reliable performance under various driving conditions. Its distinctive yellow color makes it easy to identify during maintenance or tuning procedures. The cam's design optimizes acceleration response by providing consistent fuel delivery, enhancing overall engine performance. Suitable for a range of applications, this pair of pump cams is an essential upgrade for enthusiasts seeking to fine-tune their carburetor's response. Installation is straightforward, making it an accessible upgrade for both professional mechanics and DIY enthusiasts.

Features:

• Constructed from durable plastic for long-lasting performance

• Designed specifically for Holley 4500 series carburetors

• Color-coded yellow for easy identification

• Optimizes fuel delivery during throttle application

• Pair includes two pump cams for comprehensive replacement