ATK HP99C Comp 653517524943 260HP

( Brand: Atk ), ( Manufacturer Part Number: HP99C ), ( Type: Engine Complete Assembly ), ( UPC: 653517524943 )

Review ATK Chevy Eng 260hp Comp fits 350

ATK HP99C Performance Carburetor for Chevy 350 260hp Competition Series

Experience a new level of engine performance with the ATK HP99C Performance Carburetor, tailored specifically for Chevy 350 engines producing 260 horsepower. This high-performance carburetor is designed to deliver optimal fuel-air mixtures for increased power, improved throttle response, and enhanced fuel efficiency.

The ATK HP99C boasts a robust design, built to withstand the rigors of high-performance driving. Its multi-port cross-drilled primary float bowls ensure consistent fuel delivery, while the secondary float bowls utilize ATK's proprietary Accu- Bowl technology for precise metering and improved torque.

This carburetor features a unique tapered bore design, which reduces turbulence and promotes smooth airflow, resulting in more efficient combustion and increased horsepower. The HP99C also comes with a high-flow accelerator pump, designed to deliver a quick and responsive throttle transition.

The ATK HP99C Performance Carburetor is equipped with a billet aluminum linkage system, offering smooth operation and precise adjustability. The carburetor is also compatible with various vacuum advance setups, allowing you to fine-tune the engine's performance according to your specific needs.

In addition, the HP99C includes a high-quality fuel pump, designed to provide ample fuel for high-performance applications. The carburetor is also easy to install, with clear instructions and mounting hardware included in the box.

In summary, the ATK HP99C Performance Carburetor is an excellent choice for those seeking to enhance the power and performance of their Chevy 350 engine. Its robust design, innovative features, and ease of installation make it a worthwhile investment for any enthusiast or racer. Upgrade your engine today with the ATK HP99C Performance Carburetor.

The ATK HP99C carburetor is a popular choice for Chevy 350 engines with 260 horsepower, known for its high-performance capabilities. Here are some pros and cons to consider for this carburetor:

1. High-flow design: The ATK HP99C carburetor features a high-flow design that is suitable for high-performance applications.

2. Accelerator pump: The carburetor has an accelerator pump to ensure smooth acceleration and reduce engine stumble.

3. Adjustable idle mixture control: The idle mixture control allows for fine-tuning of the engine idle, ensuring a smooth idle and reduced stalling.

4. Large primary and secondary metering blocks: The large metering blocks allow for increased air and fuel flow, resulting in improved performance.

5. Adjustable secondary throttle plates: The adjustable secondary throttle plates allow for fine-tuning of the power band.

1. Complexity: The ATK HP99C carburetor is a complex unit, which may require a higher level of maintenance compared to a simpler carburetor.

2. Cost: The ATK HP99C carburetor is more expensive compared to other carburetors on the market.

3. Learning curve: Installing and tuning the ATK HP99C carburetor may require a learning curve for those who are not familiar with high-performance carburetors.

In conclusion, the ATK HP99C carburetor is an excellent choice for those seeking high-performance capabilities for their Chevy 350 engine. Its high-flow design, adjustable features, and smooth acceleration make it a popular choice among performance enthusiasts. However, its complexity, cost, and learning curve may make it less suitable for those on a budget or those who are not comfortable with high-performance carburetors.

Recommendation: If you are looking for a high-performance carburetor for your Chevy 350 engine and are willing to invest in a complex unit that requires some maintenance and a learning curve, then the ATK HP99C carburetor is a great choice. However, if you are on a tight budget or are not comfortable with high-performance carburetors, you may want to consider a simpler and more affordable option.

Details:

Note: Photos do not always represent the actual product. CHEVY 350 ENG 260HP COMP,:: Long Block; 5.7L/350 Cubic Inch; Cast Iron; GM Vortex 290 HP Stage 3; Carburetors; Hydraulic Roller Tappet; 9.4:1 Compression Ratio; External/ Internal Engine Balance; With Cylinder Heads/ Carburetor/ Throttle Body/ Distributor/ Oil Pan/ Valve Covers/ Timing Cover/ Water Pump/ Harmonic Balance/ Flex plate/ Spark Plugs/ Plug Wires. For kits, photo might show entire kit and listing is only for one component.

part #: hp99c prices

• $50.00-$3916.99

specifications autotransmissionsgo:

• for models: 350
• for makes: Chevy
• brand: Atk
• mpn: Hp99c
• type: Engine Complete Assembly
• upc: 653517524943

seller autotransmissionsgo:

• city: USA
• rating: 98.5%
• # reviews: 81309

offer autotransmissionsgo:

• sold: 0
• quantity: 1
• started: June 6, 2025
• availability: In Stock
• options: Ship-to-home

returns autotransmissionsgo:

• policy: Returns Accepted
• time: 30 Days
• paid by: Seller

payments autotransmissionsgo:

• credit card: Visa
• wallet: Paypal
• other

general autotransmissionsgo:

• condition: New
• Car Truck Parts Accessories > Transmission Drivetrain > Automatic Transmission

shipping autotransmissionsgo:

• type: Fixed
• class: Standard
• cost: $0.00
• service: Standard
• transit: 4-8 Days

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