CROWN AUTOMOTIVE RC86K7 Carburetor 82-90 4.2L

( Brand: Crown Automotive ), ( Manufacturer Part Number: RC86K7 ), ( Part Type: Carburetor ), ( Product Warranty: 12 Month Warranty ), ( Part Info: Carburetor Replaces Carbs. With Tag Numbers Bbd 8338/8339/8. ), ( Years: 1989 1990 1983 1985 1982 1988 1987 1984 1986 89 90 83 85 82 88 87 ), ( Models: Wrangler Cj7 Scrambler Cj5 ), ( Important: Please Read All Notes Before Making This Purchase ), ( Cs-sku: 400 )

Review CROWN AUTOMOTIVE Carburetor For Jeep 4.2l Cyl fits WRANGLER SCRAMBLER CJ7 CJ5 1982–1990

The Crown RC86K7 carburetor is a high-performance replacement option for Jeep Wrangler CJ7 and CJ5 models produced between 1982 and 1990, equipped with the 4.2L inline-six engine. This carburetor is engineered to provide reliable fuel delivery for enhanced power and improved drivability.

The RC86K7 carburetor boasts a number of advanced features designed to optimize engine performance. Its dual-barrel design allows for a larger fuel metering capacity, ensuring a consistent fuel-air mixture under various engine loads. The carburetor's vacuum secondary circuit enhances low-end torque, making it an excellent choice for off-road applications or those seeking an improved driving experience.

The RC86K7 carburetor is meticulously crafted to ensure a precise fit and easy installation. It comes with a factory-set base circle and jetting, making it ready to use right out of the box. Moreover, it is designed to replace the original Carter YF carburetor, making it a direct bolt-on replacement for Jeep Wrangler CJ7 and CJ5 models.

This Crown carburetor is constructed from high-quality materials, including a robust cast aluminum body and hardened steel components. Its durable design not only ensures reliable performance but also makes it resistant to wear and tear, even under the most demanding off-road conditions.

In summary, the Crown RC86K7 carburetor is a high-performance, direct bolt-on replacement option for Jeep Wrangler CJ7 and CJ5 models with the 4.2L inline-six engine. Its dual-barrel design, vacuum secondary circuit, and precise fit make it an excellent choice for those seeking improved power, enhanced torque, and a reliable fuel delivery system for their off-road adventures.

The Crown RC86K7 carburetor is a popular choice among Jeep enthusiasts for vehicles with the 4.2L inline-six engine, including the CJ7 Scrambler and CJ5 models from 1982 to 1990. Here are some pros and cons of purchasing this carburetor for your Jeep:

1. Improved Performance: The RC86K7 carburetor offers better idle stability, improved fuel efficiency, and increased horsepower and torque compared to the stock carburetor.

2. Easy Installation: The carburetor comes with all necessary hardware for installation, making it a relatively straightforward process for most DIY enthusiasts.

3. Adjustability: The RC86K7 comes with adjustable jets and needles, allowing for fine-tuning of the carburetor to optimize performance for various driving conditions.

4. Durability: The carburetor is made with high-quality materials and features a heavy-duty design, which can withstand the rigors of off-road driving.

1. Cost: The RC86K7 carburetor is more expensive than the stock carburetor. However, the performance improvements may justify the additional cost for some enthusiasts.

2. Required Tuning: While the carburetor offers improved performance, it may require some tuning to get the best results. This can be a time-consuming process for those without experience.

3. Fuel Economy: While the carburetor may offer improved performance, it may also result in slightly reduced fuel economy compared to the stock carburetor.

In conclusion, the Crown RC86K7 carburetor is a worthy investment for Jeep enthusiasts looking to improve the performance of their 4.2L inline-six engine. The benefits of improved idle stability, increased horsepower and torque, and adjustability outweigh the cons of the higher cost and potential required tuning.

Recommendation: If you are looking to upgrade the carburetor on your 1982-1990 CJ7 Scrambler or CJ5 with the 4.2L inline-six engine, the Crown RC86K7 carburetor is a great option to consider. It offers significant performance improvements and the ability to fine-tune the carburetor for various driving conditions. However, be prepared for the potential cost and time investment required for installation and tuning.

Details:

With Tag Numbers BBD 8338/8339/8340/8341/8357/8360/8362/8364/8367/8383/8384/8394 Brand: Crown Automotive Part Number: RC86K7 Barrel: OEM cfm : Choke: Emission: Finish: Flange: Features: Carburetor. Jeep CJ5 1982 - 1983 4.2L 6 Cyl. Carburetor Replaces Carbs. Make model Years Engine.

Jeep CJ7 1982 - 1986 4.2L 6 Cyl. Jeep Scrambler 1982 - 1985 4.2L 6 Cyl.

part #: rc86k7 prices

• $360.56-$396.20

specifications carbcoon:

• for models: Cj7, Cj5, Wrangler, Scrambler
• for makes: Jeep
• for years: 1982-1990
• brand: Crown Automotive
• mpn: Rc86k7
• part type: Carburetor
• product warranty: 12 Month Warranty
• part info: Carburetor Replaces Carbs. With Tag Numbers Bbd 8338/8339/8.
• years: 1989 1990 1983 1985 1982 1988 1987 1984 1986 89 90 83 85 82 88 87
• models: Wrangler Cj7 Scrambler Cj5
• important: Please Read All Notes Before Making This Purchase
• cs-sku: 400

payments carbcoon:

• credit card: Diners-club
• wallet: Apple-pay
• other

offer carbcoon:

• sold: 0
• quantity: 1
• availability: In Stock
• started: June 28, 2025
• options: Ship-to-home

seller carbcoon:

• city: Humarock, Massachusetts
• # reviews: 50230
• rating: 95.3%

shipping carbcoon:

• type: Fixed
• class: Standard
• carrier: FedEx
• transit: 4-9 Days
• cost: $0.00
• service: FedEx Ground or FedEx Home Delivery

general carbcoon:

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

returns carbcoon:

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

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