Chassis Components› Crossmembers

GForce

Crossmember for 8L90E/10L80E/10L90E Transmissions

$440.00

SKU: RCNV-8L90

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 G Force RCNV-8L90 is a crossmember designed for 1962-1967 X-Body vehicles. It is compatible with 8L90E Slip Yoke, 10L80E, and 10L90E transmissions.

This crossmember features a black powder-coated finish and includes all necessary mounting hardware for installation. To ensure a proper fit with the specified transmissions, it comes with the GF-GMA transmission mount and the GF-8L90-A transmission mount adapter, which accommodate the tailshaft housings of the 8L90E and 10L90E transmissions.
Show original supplier description
The G Force RCNV-8L90 crossmember is engineered for enthusiasts looking to upgrade their 1962-1967 X-Body vehicles with modern transmissions. Specifically designed for models like the Chevy II, Chevy II 100, Chevy II 300, Chevy II Nova, Chevy II Nova SS, Nova, Nova SS, and Nova Super Sport, this crossmember ensures a precise fit. This component is built to accommodate GM's 8L90E Slip Yoke, 10L80E, and 10L90E transmissions. To facilitate a seamless integration, the RCNV-8L90 includes the GF-GMA transmission mount and the GF-8L90-A transmission mount adapter. These components are essential for properly fitting the tailshaft housings of the 8L90E and 10L90E transmissions. All required mounting hardware is included, simplifying the installation process. G Force emphasizes easy installation, aiming to provide bold solutions without compromising quality, and offers downloadable instructions for guidance.

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

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Specifications

BrandGForce
Part NumberRCNV-8L90
CategoryChassis Components

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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.

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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.

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