ROCHESTER 7040502 Carburetor Rebuild

( Manufacturer Part Number: 7040502 ), ( Non-domestic Product: No ), ( Choke Type: Mechanical Choke ), ( Type: Quadrajet ), ( Manufacturer Warranty: No Warranty ), ( Fitment Type: Direct Replacement ), ( Country Of Origin: United States )

Review ROCHESTER Carburetor #7040502 Rebuild fits CORVETTE 1970

Rochester 7040502 Quadrajet Carburetor Rebuild Kit for 1970 Chevrolet Corvette

The Rochester 7040502 Quadrajet Carburetor Rebuild Kit is specifically designed for the 1970 Chevrolet Corvette models. This rebuild kit comes with all the essential components required to restore your Quadrajet carburetor to its original performance and efficiency.

1. New Quadrajet main jets (1.600, 1.622, 1.650, 1.675, 1.700, 1.722, 1.750, 1.785, 2.000, 2.200, 2.255, and 2.500) to ensure precise fuel delivery.

2. New power valve and power valve gasket to control the fuel flow and maintain the correct air-fuel mixture.

3. New idle mixture screws and gaskets to fine-tune the idle mixture and improve engine idle stability.

4. New float bowl gasket and new float bowl mounting gasket to prevent leaks and ensure a proper seal.

5. New float needle valves and float needle valve gaskets to regulate the fuel level in the float bowls.

6. New accelerator pump plunger and accelerator pump plunger gasket to improve throttle response and acceleration.

7. New accelerator pump gaskets and needle jets to maintain the proper fuel pressure and mixture.

8. New choke plate and choke plate gasket to ensure proper engine starting in cold conditions.

9. New emission control jets and vacuum secondary emulsion control jets to meet the 1970 emission standards.

10. New gaskets for the secondary throttle plates and secondary throttle plate mounting surfaces.

The Rochester 7040502 Quadrajet Carburetor Rebuild Kit is an affordable solution for restoring the original performance of your 1970 Chevrolet Corvette's Quadrajet carburetor. Each component is engineered to meet or exceed OEM specifications, ensuring a perfect fit and reliable operation.

With this rebuild kit, you'll be able to enjoy the smooth running and powerful engine response that your Corvette was designed for. The kit also includes easy-to-follow instructions, making the rebuild process straightforward and hassle-free.

Invest in the Rochester 7040502 Quadrajet Carburetor Rebuild Kit for your 1970 Chevrolet Corvette and experience the difference that a properly functioning Quadrajet carburetor can make.

Pros and Cons of Buying a Rochester 7040502 1970 Corvette Carburetor Rebuild Kit

a. High-quality rebuild: The Rochester 7040502 1970 Corvette Carburetor Rebuild Kit is a professional-grade solution for restoring your original or replacement carburetor to its optimal performance. It includes all the necessary parts required for a thorough rebuild.

b. Compatibility: This kit is specifically designed for 1970 Corvette applications, ensuring a perfect fit for your vehicle.

c. Improved engine performance: A well-rebuilt carburetor can result in improved engine performance, including better fuel efficiency and smoother idle.

d. Affordable: Compared to purchasing a new carburetor or having a professional rebuild it for you, this kit represents a more cost-effective solution for restoring your carburetor.

a. DIY skills required: Rebuilding a carburetor can be a complex and time-consuming process that requires a good understanding of engine systems and the ability to work with various tools and components.

b. Potential for errors: Improper assembly of the carburetor components can lead to poor performance or even engine damage.

c. Additional costs for tools: Some of the tools required for the rebuild, such as gaskets, seals, and cleaning solvents, may need to be purchased separately.

The Rochester 7040502 1970 Corvette Carburetor Rebuild Kit offers several advantages, including high-quality parts, compatibility, improved engine performance, and affordability. However, it requires a certain level of DIY skills and the potential for errors during the rebuild process. If you're confident in your ability to perform the rebuild or are willing to hire a professional, this kit can be an excellent investment for restoring your 1970 Corvette's carburetor.

If you are comfortable working on your vehicle's engine systems and have the necessary tools, the Rochester 7040502 1970 Corvette Carburetor Rebuild Kit is a cost-effective and high-quality solution for restoring your carburetor to its optimal performance. If you're unsure about your skills or don't have the time, it may be worth considering having a professional shop handle the rebuild for you.

Details:

Looks in good shape to me, please review pictures as they are of item. For sale is a Rochester Quadrajet Carburetor # 7040502 Item came in storage purchased so I really don't know much about it, it says Rebuild on the side of carburetor and comes GM box.

part #: 7040502 prices

• $260.00-$699.99

specifications carbcoon:

• for models: Corvette
• for makes: Rochester
• for years: 1970
• mpn: 7040502
• non-domestic product: No
• choke type: Mechanical Choke
• type: Quadrajet
• manufacturer warranty: No Warranty
• fitment type: Direct Replacement
• country of origin: United States

shipping carbcoon:

• type: Fixed
• cost: $20.00
• carrier: USPS
• service: USPS Ground Advantage
• transit: 5-11 Days
• class: Standard

offer carbcoon:

• sold: 0
• options: Ship-to-home
• availability: In Stock
• started: May 2, 2026
• best offers: True
• quantity: 1

general carbcoon:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Carburetors

seller carbcoon:

• rating: 100.0%
• city: Los Angeles, California
• # reviews: 763

returns carbcoon:

• policy: No Returns

payments carbcoon:

• credit card: Diners-club
• wallet: Paypal
• other

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