Description
Product Overview
The 50cc Accelerator Pump Housing Kit is engineered to replace the original pump assembly on a range of Holley carburetors, specifically the 2300, 4150, 4160 and 4500 models. Constructed from a high‑grade alloy with a premium gold finish, the housing resists corrosion and wear even under demanding conditions. The kit includes a precision‑molded diaphragm, a calibrated spring for consistent pump action, and a full set of stainless‑steel screws that match the OEM torque specifications. Designed for a bolt‑on installation, the housing aligns perfectly with the carburetor body, ensuring no air leaks and optimal fuel metering.
Usage
This kit is ideal for small‑engine applications such as go‑karts, ATVs, snowmobiles and vintage motorcycles where a responsive throttle is critical. Whether you are rebuilding a performance engine for track days or simply restoring a classic machine, the 50cc pump delivers a noticeable boost in low‑end torque and smoother acceleration. The gold‑colored housing not only adds a visual upgrade but also dissipates heat more efficiently, extending the life of the pump components. Suitable for both seasoned mechanics and hobbyists, the kit requires only basic hand tools and a brief adjustment period before the engine returns to peak performance.
Why Choose Us
Our commitment to quality begins with rigorous material selection; the alloy used meets automotive grade standards and undergoes a multi‑stage polishing process to achieve the distinctive gold finish. Each component is inspected for dimensional accuracy, guaranteeing a seamless fit that eliminates the need for aftermarket modifications. We provide a comprehensive warranty and responsive customer support, ensuring that any installation questions are answered promptly. By choosing this kit, you benefit from a product that combines durability, performance, and aesthetic appeal—attributes rarely found together in aftermarket carburetor parts.
Key Features
- Exact OEM fit for Holley 2300, 4150, 4160 & 4500 carburetors
- Gold‑finished high‑strength alloy housing for corrosion resistance
- Includes diaphragm, calibrated spring and stainless‑steel screws
- Improves low‑end throttle response and overall engine smoothness
- Easy bolt‑on installation with no additional modifications required
FAQ
Will this kit fit a Holley 4500 carburetor on a 4‑stroke engine?
Yes, the housing is dimensionally compatible with the Holley 4500 model used on both 2‑stroke and 4‑stroke engines, provided the mounting points are standard.
Do I need any special tools to install the kit?
No special tools are required. A basic set of screwdrivers and a torque wrench for the final screw tightening are sufficient.
Can I use this kit on a carburetor that has been previously modified?
The kit is designed for stock mounting patterns. If the carburetor has been altered, verify that the original bolt locations remain unchanged before installation.
How does the gold finish affect performance?
The gold coating provides superior heat dissipation, which helps maintain consistent spring tension and diaphragm elasticity, contributing to stable pump action under prolonged use.
Is there a warranty on this product?
We offer a one‑year limited warranty covering manufacturing defects. Contact our support team with your purchase details for assistance.
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