Drivetrain› Automatic Transmissions and Components

GForce

Transmission Crossmember

$366.56

SKU: RCF1-6L80

In Stock
In Stock
Ships by Sep 9
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The GForce RCF1-6L80 is a transmission crossmember designed for GM F and X-Body models, including Camaro, Nova, Trans Am, Firebird, Ventura, Omega, Apollo, and Chevy II. It is compatible with 1967-1969 F-Body and 1968-1974 X-Body vehicles. This crossmember is engineered to fit 6L80E and 6L90E slip yoke transmissions.

Included with the crossmember are the GMTM Transmission Mount and GF-GMTM-SP Shims to ensure proper fitment with these transmissions. For 1968-1974 frames, the distance between the crossmember mounting holes is 30-3/8 inches, and users are advised to measure their frame before ordering to ensure correct selection.
Show original supplier description
The GForce RCF1-6L80 is a robust transmission crossmember specifically engineered for a range of GM F and X-Body vehicles, including popular models such as the Camaro, Nova, Trans Am, Firebird, Ventura, Omega, Apollo, and Chevy II. This crossmember is designed to accommodate F-Body models from 1967-1969 and X-Body models from 1968-1974, ensuring a precise fit for classic GM platforms. Engineered for modern performance, the RCF1-6L80 is compatible with the 6L80E and 6L90E slip yoke transmissions. To facilitate seamless integration, G Force includes the necessary GMTM Transmission Mount and GF-GMTM-SP Shims, simplifying installation and ensuring optimal alignment. Potential buyers with 1968-1974 frames should note that the distance between the crossmember frame mounting holes is 30-3/8 inches; measuring this dimension before purchase is recommended to confirm compatibility. Constructed with durability in mind, this crossmember features a black powder-coated finish, providing resistance to corrosion and wear. Mounting hardware is included, simplifying the installation process. The product information highlights G Force's commitment to engineering bold solutions that enhance ease of installation without compromising quality, backed by downloadable instructions for user convenience.

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandGForce
Part NumberRCF1-6L80
CategoryDrivetrain

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

Buy with Confidence

Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy

Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy