---
product_id: 46224936
title: "Rochester 2GC 2-Barrel Carburetor for Chevy 350 5.7L & 400 6.6L V8 - LARGE BASE ONLY (3 11/16\" x 2 1/16\") - Hot Air Choke - 1970-1980 C10 K10 Impala Chevelle GMC Pickup"
brand: "auto parts prodigy"
price: "¥45697"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/46224936-rochester-2gc-2-barrel-carburetor-for-chevy-350-5-7l
store_origin: JP
region: Japan
---

# Boosts horsepower efficiently Large base bolt pattern 3.69x2.06 in Heavy-duty metal build Rochester 2GC 2-Barrel Carburetor for Chevy 350 5.7L & 400 6.6L V8 - LARGE BASE ONLY (3 11/16" x 2 1/16") - Hot Air Choke - 1970-1980 C10 K10 Impala Chevelle GMC Pickup

**Brand:** auto parts prodigy
**Price:** ¥45697
**Availability:** ✅ In Stock

## Summary

> 🔥 Unlock Classic Chevy Power with Modern Precision ⚙️

## Quick Answers

- **What is this?** Rochester 2GC 2-Barrel Carburetor for Chevy 350 5.7L & 400 6.6L V8 - LARGE BASE ONLY (3 11/16" x 2 1/16") - Hot Air Choke - 1970-1980 C10 K10 Impala Chevelle GMC Pickup by auto parts prodigy
- **How much does it cost?** ¥45697 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/46224936-rochester-2gc-2-barrel-carburetor-for-chevy-350-5-7l)

## Best For

- auto parts prodigy enthusiasts

## Why This Product

- Trusted auto parts prodigy brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Heavy-duty metal construction ensures durability and long-lasting engine performance under pressure.
- • **Optimized Airflow:** 1 3/16 inch venturi and 1 11/16 inch throttle bore sizes maximize fuel-air mixture efficiency for smooth acceleration.
- • **Direct Fit, No Hassle:** Bolt-on replacement designed specifically for Chevy 350 (5.7L) and 400 (6.6L) engines from the '70s—swap with confidence.
- • **Power Meets Precision:** Add more horsepower while maintaining near-stock fuel mileage—performance without compromise.
- • **Complete Installation Kit:** Includes mounting gasket and pre-installed fuel filter—everything you need for a seamless upgrade.

## Overview

The Rochester 2GC 2-Barrel Carburetor is a heavy-duty, direct bolt-on replacement designed for Chevrolet 5.7L 350 (1970-1980) and 6.6L 400 (1970-1975) engines. Featuring a large base bolt pattern and optimized venturi and throttle bore sizes, it delivers increased horsepower while maintaining near-stock fuel efficiency. This package includes essential installation components like a mounting gasket and pre-installed fuel filter, making it the perfect upgrade for performance enthusiasts seeking reliable, classic Chevy power.

## Description

Rochester 2GC Style 2-Barrel Carburetor for Chevy Small Block V8 (5.7L 350, 6.6L 400) - Large Base Bolt Pattern - Automatic Hot Air Choke - 1970-1980 Chevrolet C10, K10, Impala, Chevelle

## Features

- Add More Horse Power with 2 Jet Rochester Carburetor While Maintaining Near Stock Fuel Mileage Directly Replace the Old/Broken One
- Aftermarket High Performance Engine Carburetor Replacement Heavy Duty Metal Construction
- Large Base - This is the large base bolt pattern 3 11/16 x 2 1/16 inches. Venturi Size - 1 3/16 Throttle Bore Size 1 11/16 Jet Size - .058
- Package Included: 1x carburador chevrolet 350 for Chevrolet Mounting Gasket & Seal Included 1x Mounting Gasket Fuel Filter Pre Installed
- PLEASE DOUBLE CHECK THIS WILL FIT BEFORE ORDERING SOMETIMES IT REQUIRES AN ADAPTER PLATE Fits for Chevrolet Engine Models 350/5.7L 1970-1980 and 400/6.6L 1970-1975

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Auto Parts Prodigy |
| Vehicle Service Type | Car, Truck, Van |
| Flange Type | Bolt On |
| Fuel Type | Gasoline |
| Recommended Uses For Product | Chevy Chevrolet Rochester This Rochester 2GC 2-Barrel Carburetor is compatible with various Chevrolet models equipped with 5.7L 350 (1970-1980) and 6.6L 400 (1970-1975) engines. Specific models include |
| Specific Uses For Product | Performance, Vehicle |
| Manufacturer | Auto Parts Prodigy |
| Item Weight | 5.04 pounds |
| Package Dimensions | 11.73 x 9.17 x 7.09 inches |
| Item model number | ROCHESTER 2GC |
| Is Discontinued By Manufacturer | No |
| Exterior | Metal |
| Manufacturer Part Number | ROCHESTER 2GC |

## Product Details

- **Brand:** Auto Parts Prodigy
- **Vehicle Service Type:** Car, Truck, Van
- **Flange Type:** Bolt On
- **Fuel Type:** Gasoline
- **Recommended Uses For Product:** Chevy Chevrolet Rochester This Rochester 2GC 2-Barrel Carburetor is compatible with various Chevrolet models equipped with 5.7L 350 (1970-1980) and 6.6L 400 (1970-1975) engines. Specific models include

## Images

![Rochester 2GC 2-Barrel Carburetor for Chevy 350 5.7L & 400 6.6L V8 - LARGE BASE ONLY (3 11/16" x 2 1/16") - Hot Air Choke - 1970-1980 C10 K10 Impala Chevelle GMC Pickup - Image 1](https://m.media-amazon.com/images/I/71jT-PGPtLL.jpg)

## Questions & Answers

**Q: i want fast delivery 2days**
A: Mine came a day before I ordered it

**Q: Will this fit my 1994 chevy silverado 1500 350 v-8 5.7 liter engine? If not, where can I find a set that will fit it?**
A: i do not believe this will fit that vehicle

**Q: What measurements are the base hole**
A: Large base: c-c 3 11/16 x 2 1/16 inches

**Q: l have a 1978 El Camino with a 305 and it has a 2-barrel in it now. Will this fit?**
A: It should fit, however check to see if you have an electronic  or vacuum choke. The one I am seeing in this e-mail is a vacuum type choke carb.

## Frequently Bought Together

- Rochester 2GC Carburetor - 2 Barrel Carburetor Chevrolet Chevy Small Block Engines 5.7L 350 6.6L 400 - Large Base
- Spectre Performance 4213 Air Cleaner Stud Kit
- Racing Power Co. R2025 RACING POWER CO-PACKAGED 2 BARREL CARB TO 1 BARREL MANIFOLD

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-17*