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Trending 1978-1983 G-body Crossmember -th400 With Frame Extension Rcg-400k Up To 30% Off [HYidKeOx]

$52.99 $169.99 -69%

1978-1983 G-Body Crossmember -TH400 with Frame Extension Introducing the ultimate solution for your classic GM RWD G-Body vehicle, the 1978-1983 G-Body Crossmember -TH400 with Frame Extension RCG-400K. This premium crossmember is designed to fit a wi

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1978-1983 G-Body Crossmember -TH400 with Frame Extension

Introducing the ultimate solution for your classic GM RWD G-Body vehicle, the 1978-1983 G-Body Crossmember -TH400 with Frame Extension RCG-400K. This premium crossmember is designed to fit a wide range of models, including Malibu, Monte Carlo, El Camino, Cutlass, Grand Prix, Regal, Century, LeMans, Caballero, and Bonneville, making it an essential upgrade for enthusiasts and professionals alike. The RCG-400K is engineered to provide a secure and stable foundation for your TH400 or 2004R transmission, enhancing both performance and reliability.

Key Features and Specifications

The RCG-400K is crafted with precision and durability in mind. It features a robust design that fits seamlessly into your vehicle, ensuring a perfect fit every time. This crossmember is compatible with both the TH400 and 2004R transmissions, making it a versatile choice for a variety of applications. Additionally, the included frame extension, GF-FE100, allows for a longer frame on early generation vehicles, providing a superior fit and improved performance. To further enhance your setup, we recommend pairing the RCG-400K with a polyurethane transmission mount, such as the G Force GMTM, which is sold separately. This comprehensive package is designed to deliver the ultimate driving experience.

Practical Uses and Benefits

Whether you're restoring a classic GM G-Body or looking to boost the performance of your vehicle, the 1978-1983 G-Body Crossmember -TH400 with Frame Extension RCG-400K is the perfect choice. This high-quality crossmember not only provides a secure foundation for your transmission but also enhances the overall driving experience. With its compatibility with a wide range of models and years, it's an ideal solution for enthusiasts and professionals alike. Upgrade your classic GM G-Body today and experience the difference that the RCG-400K can make in your vehicle's performance and reliability.

What Our Customers Say

January 1, 2026

Absolutely no complaints!

A purchase I feel great about.

- Alexander P..

January 1, 2026

Absolutely no complaints!

A really well-made little gadget.

- Joan T..

January 1, 2026

Absolutely no complaints!

It’s a very well-made piece of kit.

- Parker N..

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