Here at G Force Performance Products, we are frequently asked questions about Crossmembers, LS conversion adapter kits, and how our products simplify the installation process for you. If you don’t find the answers you’re looking for here, just click on Chat or Contact Us— our team is happy to assist you.

Where can I find the latest information about new G Force products and more?

You can get the scoop about everything that’s happening at G Force on our News page.

Why should I choose your Crossmember?

We’re glad you asked! All of our Crossmembers are made in the USA. Our bolt to frame design means no cutting or welding, which makes installation easy! Plus, for most of our kits, installation hardware is included. Our products have been thoroughly tested and built to last. See all the reasons our customers choose G Force here.

If I buy your Crossmember and decide to swap out my transmission later will the same crossmember work?

Yes, as long as they are in the same transmission group. Check out How to find the right Crossmember to support your transmission for more information. Although this page is designed to help our customers order the correct Crossmember, you’ll find everything you need to know about transmission groups as well.

Can you help me identify which transmission I have?

Yes, you probably can figure out which transmission you have based on the pan patterns. Take a look at the most popular pan patterns to identify yours. If you’re still not sure, click on Chat or Contact Us and we’ll be happy to assist you.

Do you have a comprehensive list of which Crossmembers work with different transmissions?

We do. Check out Crossmember Transmission Groups to find the group  in which your transmission falls. You can use the group number as a cross-reference to find out which crossmembers support which transmissions. Find out all the details in our cross-reference guide, “How to find the right Crossmember to support your transmission.”

Would you decode your Crossmember part numbers?

We’re happy to! It’s easiest to explain by example. Let’s breakdown RCG-4L80K.

    • The first two letters always stand for Racing Crossmember.
    • Next is the Body Type(s). Options are A, B, C, E, F, G, X, Y, S-10, C10, and Mustang.
    • Body Type is followed by Generation.
    • The next letter indicates whether it is an Early or Late model.
    • Finally, the part number ends with the Transmission.

How can I find the correct Body Type for my car?

For easy reference we have created a list of Body Types by year, make, and model.

What is a transmission swap?

A transmission swap involves switching the transmission in your vehicle from the Original Equipment Manufacturer (OEM) or factory spec transmission to an aftermarket version like the 4L60, or 700R4. To learn more about what transmission entails take a look at our article, “What is a Transmission Swap?“.

Do you have any transmission specs?

Yes, we have specs for the most common automatic and manual transmission swaps. Please keep in mind that this information is for reference only and cannot be guaranteed accurate.

Do you have tips for maintaining manual transmission performance?

We do. Check out Optimal Manual Transmission Maintenance Tips for some basic advice.

I’m considering an LS Swap. Do you have any suggestions for which transmission I should choose?

The transmission you select has a big impact on your overall satisfaction with your swap. Take a look at our thoughts on why you should choose a CD009.

What are common GM transmissions for Vortec and LS Motors?

There are good automatic and manual options available for your Vortec or LS motor. We’ve broken down your choices in our article, “GM Transmissions for a Vortect or LS Motor.”

What is a transmission adapter plate?

In applications where a specific motor and transmission combination is desired but not offered from the factory, a transmission adapter allows the motor and transmission to work together. G Force is experienced in adapter plate manufacturing. Find out more about the adapter plates and kits we offer.

How do I know if I need a spacer plate for the Nissan Z32 / Z33 Adapter Kit?

Our Z32 and Z33 adapter kits work with any series of  Vortec, LS, or LSX motors. However, there are some differences in these motors. We’ve outlined what you need to know to make sure you’re using the right space plate. You can find that article here.

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