fits model: Gt, 350, Shelby, Mustang. year: 1968.

( Brand: Holley ), ( Manufacturer Part Number: SM8S-9510-C ), ( Choke Type: Manual ), ( Type: Carburetor )
The Holley S8MS-9510-C carburetor body is a high-performance replacement option for 1968 Shelby GT 350 Mustang models. This carburetor body, specifically part number 4234, is designed to provide optimal fuel delivery and air flow for enhanced engine performance.
This Holley carburetor body is cast in a durable aluminum alloy construction, ensuring durability and reliability. It is equipped with a taller domed deck plate that allows for increased velocity stacks clearance, making it an excellent choice for vehicles with modified intake manifolds or larger velocity stacks.
The Holley S8MS-9510-C carburetor body is designed with a 2-gross-inch bore size and comes with a 500 cfm fuel pump kit, allowing it to accommodate high-performance fueling requirements. The body is also compatible with the original Holley 600 cfm vacuum secondary Quadrajet intake or other similar intake manifolds.
This carburetor body features a unique design with an internal fuel bowl baffling system, which reduces fuel sloshing and improves fuel atomization. Additionally, it includes adjustable choke plates and slides, making it easier to fine-tune your engine's idle and mid-range performance.
The S8MS-9510-C comes with a functional tapered bore throttle shaft, ensuring smooth throttle response and control. Its generous 0.060-inch throttle shaft diameter and multi-plate, diaphragm-type throttle return spring offer improved throttle response and more precise control compared to OEM units.
This carburetor body fits directly into the original carburetor position within the intake manifold and uses factory mounting points for easy installation. It also comes with base gaskets and a set of Holley authentic replacement float bowls that provide the uniform fuel level needed for optimal performance.
With its high flow design, Duramax bAffle technology, and accurate metering capabilities, the Holley S8MS-9510-C carburetor body is a top-tier choice for enhancing the fuel delivery system in your 1968 Shelby GT 350 Mustang and delivering superior engine performance.
The Holley S8MS-9510-C carburetor is a popular choice among restorers and enthusiasts of the 1968 Shelby GT 350 model. This carburetor is designed to replace the original 289 Hi-Po carburetor. Here are the pros and cons of buying this Holley carburetor:
Pros:1. Authenticity: The Holley S8MS-9510-C carburetor is designed to replicate the original 1968 Shelby GT 350 carburetor, which can add value to your restoration project.
2. Performance: Holley carburetors are known for their high performance and accurate fuel delivery. This carburetor is no exception, delivering a consistent fuels mixture and improved throttle response.
3. Customizability: The Holley S8MS-9510-C carburetor offers an air gap adjustment and secondary emulsion control, which allows for fine-tuning of the fuel delivery system to meet specific engine requirements.
4. Support and community: Holley carburetors have a large user community and a wealth of resources available online, making it easier to troubleshoot any issues and find replacement parts.
5. Durability: The Holley S8MS-9510-C carburetor is built to last, with high-quality components and materials. It is also resistant to wear and tear, making it a reliable choice for a classic car restoration.
Cons:1. Cost: The Holley S8MS-9510-C carburetor may be more expensive than some other aftermarket options, which could be a deterrent for some hobbyists.
2. Complexity: The Holley S8MS-9510-C carburetor can be more complicated to install and adjust compared to some other carburetors. It may require more time and expertise to get the fuel delivery system dialed in correctly.
3. Availability: Depending on your location, finding a local Holley dealer or mechanic with experience in installing and tuning the S8MS-9510-C carburetor may be challenging.
4. Weight: The Holley S8MS-9510-C carburetor is heavier than the original 1968 Shelby GT 350 carburetor, which could impact handling and performance.
5. Potential fuel economy concerns: Some users have reported decreased fuel economy with the Holley S8MS-9510-C carburetor. However, this may depend on the specific engine and tuning of the carburetor.
Conclusion:The Holley S8MS-9510-C carburetor is an excellent choice for restorers and enthusiasts of the 1968 Shelby GT 350 model. Its high performance, authenticity, and customizability make it a top pick. However, the cost and complexity of installation and adjustment may deter some hobbyists. Ultimately, the decision to invest in this carburetor depends on your personal restoration goals and priorities.
Recommendation:If you are looking for a high-performance and authentic carburetor for your 1968 Shelby GT 350 restoration project, the Holley S8MS-9510-C is an excellent choice. Make sure to consider the challenges of installation and tuning before making the investment. If you are unsure about the installation process, consider consulting a professional to ensure a successful installation and optimal performance.
Note that BOTH BOWLS AND METERING BLOCKS ARE MISSING. Also, the choke body on passenger side is not bolted on, but just attached by linkage. See the last 3 photos. Both throttle shafts turn freely.
The date code is 841, embossed in the air horn. It is stamped on the air horn with S8MS-9510-C and LIST-4234 841, which date code. Package size about 10 X 12, and weight is lbs.