G-FORCE RCG-4L80K Transmission Crossmember Body GM-4

( Brand: G-force ), ( Manufacturer Part Number: RCG-4L80K ), ( Part Type: Transmission ), ( California Prop 65 Warning: True )

Review G FORCE Rcg-4l80 Transmission Crossmember body Gm-4 fits 1984–1988

Introducing the G-Force RCG-4L80K RCG-4L80 Transmission Crossmember, specifically designed for the 1984-1988 GM G-body vehicles. This crossmember is an essential upgrade for those looking to enhance the strength and durability of their transmission setup.

The RCG-4L80K is a direct replacement for the factory crossmember, engineered to handle the added torque and stress that comes with high-performance applications. This crossmember is constructed from heavy-duty steel tubing, ensuring rigidity and resistance to flex and deflection. The crossmember features boxed ends that bolt directly to the chassis rails, providing a solid connection and improving the overall stability of the vehicle.

This G-Force product is also designed to accommodate the larger aftermarket torque converters that are commonly used in performance applications. The crossmember comes with mounting points for the torque converter mount, ensuring a proper fit and secure installation. Additionally, the RCG-4L80K includes mounting points for the factory engine mounts, allowing for a seamless integration with the factory suspension system.

The RCG-4L80K RCG-4L80 Transmission Crossmember is a must-have upgrade for anyone looking to maximize the potential of their GM G-body vehicle. Whether you're building a street machine, a drag racer, or a road race contender, this crossmember will provide the strength and stability you need to take on the track or the street with confidence.

Installation of the RCG-4L80K is a straightforward process, requiring only basic hand tools and no drilling or modification to the factory chassis. The crossmember comes with all necessary hardware for installation, including bolts and mounting brackets.

In summary, the G-Force RCG-4L80K RCG-4L80 Transmission Crossmember is a high-quality, heavy-duty upgrade for the 1984-1988 GM G-body vehicles. It provides increased strength, improved stability, and the ability to accommodate larger aftermarket torque converters, making it an essential component for any performance application. With a straightforward installation process and a commitment to precision engineering, the RCG-4L80K is the perfect choice for those looking to get the most out of their GM G-body vehicle.

Pros and Cons of Buying G-Force RCG-4L80K RCG-4L80 Transmission Crossmember for 1984-1988 GM G-Body Cars

a. Durability: The G-Force RCG-4L80K RCG-4L80 transmission crossmember is constructed from high-strength steel, ensuring long-lasting performance and reliability.

b. Improved Transmission Support: This aftermarket transmission crossmember provides enhanced support to the transmission, reducing the risk of damage during hard acceleration or heavy towing.

c. Easy Installation: The crossmember comes with detailed instructions and is designed to be a bolt-on replacement, making the installation process relatively straightforward for most DIY enthusiasts.

d. OEM-Like Fitment: The G-Force RCG-4L80K RCG-4L80 transmission crossmember is engineered to fit 1984-1988 GM G-Body cars, ensuring a proper fit and function.

e. Upgrade Potential: Installing this aftermarket crossmember can serve as a foundation for future power upgrades and performance modifications.

a. Cost: The G-Force RCG-4L80K RCG-4L80 transmission crossmember may be more expensive than the OEM part, which could be a deterrent for some buyers.

b. Availability: Depending on your location, the availability of this specific aftermarket transmission crossmember may be limited, requiring you to order it online or from a specialty parts store.

The G-Force RCG-4L80K RCG-4L80 transmission crossmember offers several advantages, including durability, improved transmission support, and easy installation. However, there are potential drawbacks, such as cost and availability, that must be considered before making a purchase. Ultimately, if you're looking for a high-quality aftermarket transmission crossmember for your 1984-1988 GM G-Body car, the G-Force RCG-4L80K RCG-4L80 is an excellent choice for enhancing the performance and reliability of your vehicle.

If you're in the market for a new transmission crossmember for your 1984-1988 GM G-Body car and value durability, improved transmission support, and ease of installation, the G-Force RCG-4L80K RCG-4L80 transmission crossmember is a strong recommendation. While it may come with a higher price tag and limited availability, the benefits it provides make it a worthwhile investment for those seeking to optimize their vehicle's performance.

Details:

Yes, I recommend this product. If the floor pan is too close to allow installation, it may be necessary replace body bushings. On all 78-88 body crossmember, the passenger side hump is taller of two, and on some installations, it necessary to remove catalytic converter heat shield from floor pan.

Fits 1984 1988 G-Body. This decal is shown for brand reference only. Reviews Nice piece. Crossmember is installed so that the exhaust clearance humps are closed on top and open bottom.

Specs Material Type Steel Sold in Quantity Each Finish Powder Coated MFG. G-Force has grouped the transmissions together that can share same crossmember. Fits the GM-4 Transmission Group see list, This crossmember is specifically designed for 1984 1988 G-Body vehicles, designed installation with formed humps positioned upward, allowing open clearance below. This Crossmember fits the GM-4 Transmission Group: Hydra-Mastic 4L80 transmission.

part #: rcg4l80k prices

• $375.00-$401.79

specifications othellodrivetrain:

• for years: 1984-1988
• brand: G-force
• mpn: Rcg-4l80k
• part type: Transmission
• california prop 65 warning: True

offer othellodrivetrain:

• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: December 25, 2025

general othellodrivetrain:

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

returns othellodrivetrain:

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

shipping othellodrivetrain:

• service: Standard, Expedited
• cost: $0.00
• class: Standard, Expedited
• type: Fixed
• transit: 6-6 Days

payments othellodrivetrain:

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

seller othellodrivetrain:

• # reviews: 342866
• city: Lincoln, NE
• rating: 99.6%

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