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.
You can get the scoop about everything that’s happening at G Force on our News page.
You can get the scoop about everything that’s happening at G Force on our News page.
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.
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.
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.
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.
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.
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.
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.”
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.”
We’re happy to! It’s easiest to explain by example. Let’s breakdown RCG-4L80K.
We’re happy to! It’s easiest to explain by example. Let’s breakdown RCG-4L80K.
For easy reference we have created a list of Body Types by year, make, and model.
For easy reference we have created a list of Body Types by year, make, and model.
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?“.
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?“.
We do. Check out Manual Transmission Maintenance Tips for some basic advice.
We do. Check out Manual Transmission Maintenance Tips for some basic advice.
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.
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.
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 Vortec or LS Motor.”
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 Vortec or LS Motor.”
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.
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.
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.
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.
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.
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.
We’re happy to! It’s easiest to explain by example. Let’s breakdown RCG-4L80K.
Here's another example: RCBE-400 =Racing Crossmember, B Body, Early model, TH400 transmission. Remember, an individual Crossmember may fit multiple transmissions. The RCBE-400 also works with a TH350, TH200, TH250, Muncie, T10, Super T10, Powerglide, Saginaw, TH375, and 2004R. The product page for each Crossmember gives complete details and also includes a list of the vehicle models and years for which the Crossmember was engineered.
We’re happy to! It’s easiest to explain by example. Let’s breakdown RCG-4L80K.
Here's another example: RCBE-400 =Racing Crossmember, B Body, Early model, TH400 transmission. Remember, an individual Crossmember may fit multiple transmissions. The RCBE-400 also works with a TH350, TH200, TH250, Muncie, T10, Super T10, Powerglide, Saginaw, TH375, and 2004R. The product page for each Crossmember gives complete details and also includes a list of the vehicle models and years for which the Crossmember was engineered.
For easy reference we have created a list of Body Types by year, make, and model.
For easy reference we have created a list of Body Types by year, make, and model.
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 call us and we’ll be happy to assist you.
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 call us and we’ll be happy to assist you.
We do. Check out our Crossmember Transmission Groups page 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 guide, "How to Find the Right Crossmember to Support Your Transmission."
We do. Check out our Crossmember Transmission Groups page 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 guide, "How to Find the Right Crossmember to Support Your Transmission."
Yes, as long as both transmissions 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 there as well. Our Make, Model, Year search bar is also a valuable tool for finding the correct Crossmember quickly. You'll find it at the top of our home and products pages.
Yes, as long as both transmissions 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 there as well. Our Make, Model, Year search bar is also a valuable tool for finding the correct Crossmember quickly. You'll find it at the top of our home and products pages.
Yes, lightweight versions of our most popular Transmission Crossmembers have been on the market since early 2020. They were specially designed for performance enthusiasts. For example, racecar drivers are always looking for ways to reduce the curb weight of their cars. A lighter car means less braking time and faster acceleration on the track. Read "When Weight Matters—Try a G Force Lightweight Crossmember" for more details.
Yes, lightweight versions of our most popular Transmission Crossmembers have been on the market since early 2020. They were specially designed for performance enthusiasts. For example, racecar drivers are always looking for ways to reduce the curb weight of their cars. A lighter car means less braking time and faster acceleration on the track. Read "When Weight Matters—Try a G Force Lightweight Crossmember" for more details.
I know of customers' installation shops which have made modifications to our series of 3rd gen corvette Crossmembers to work with the 1982 model year, but the modification is often more than the average home installer is comfortable undertaking. The area which requires modifications are the horizontal mounting holes on our series of Crossmembers do not align with the holes on the vehicle frame. This typically requires some welding and properly positioned holes then drilled into the Crossmember. The vertical mounting holes do properly align, which helps in positioning and measuring to make the modifications.
I know of customers' installation shops which have made modifications to our series of 3rd gen corvette Crossmembers to work with the 1982 model year, but the modification is often more than the average home installer is comfortable undertaking. The area which requires modifications are the horizontal mounting holes on our series of Crossmembers do not align with the holes on the vehicle frame. This typically requires some welding and properly positioned holes then drilled into the Crossmember. The vertical mounting holes do properly align, which helps in positioning and measuring to make the modifications.
Unfortunately, we do not have a crossmember to fit your application. The crossmember we have for the Mustang, the RCMFB, will work with the AOD, T5 and C6 transmissions.
Unfortunately, we do not have a crossmember to fit your application. The crossmember we have for the Mustang, the RCMFB, will work with the AOD, T5 and C6 transmissions.
Yes! We have a range of products including headers, mounts, adapters, vertical links, gas pedals, and more. You can find all of our Mustang parts here.
Yes! We have a range of products including headers, mounts, adapters, vertical links, gas pedals, and more. You can find all of our Mustang parts here.
General Faq
The primary purpose of a transmission mount is to keep the engine and wheels of your vehicle turning in sync. You can find out more details and see all the transmision mounts and related products G Force has to offer in our blog article, "What is a transmission mount?"
The primary purpose of a transmission mount is to keep the engine and wheels of your vehicle turning in sync. You can find out more details and see all the transmision mounts and related products G Force has to offer in our blog article, "What is a transmission mount?"
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 call us and we’ll be happy to assist you.
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 call us and we’ll be happy to assist you.
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?“.
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?“.
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.
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.
We do. Check out Manual Transmission Maintenance Tips for some basic advice.
We do. Check out Manual Transmission Maintenance Tips for some basic advice.
Yes. We have a couple of articles which you might find useful. First, take a look at our Crossmember Transmission Groups and learn which group your transmission belongs. Then, cross-reference that group number to discover which crossmembers supports your transmission. Step-by-Step instructions can be found in our guide, “How to find the right Crossmember to support your transmission.”
Yes. We have a couple of articles which you might find useful. First, take a look at our Crossmember Transmission Groups and learn which group your transmission belongs. Then, cross-reference that group number to discover which crossmembers supports your transmission. Step-by-Step instructions can be found in our guide, “How to find the right Crossmember to support your transmission.”
LS Engine
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.
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.
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 Vortec or LS Motor.”
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 Vortec or LS Motor.”
300zx Z32 Swap
Our Z32 and Z33 LS adapter kits work with any series of Vortec, LS, or LSX motors. However, there are some differences in these motors. We’ve written Using the Right Spacer Plate which outlines what you need to know to make sure you’re using the right space plate.
Our Z32 and Z33 LS adapter kits work with any series of Vortec, LS, or LSX motors. However, there are some differences in these motors. We’ve written Using the Right Spacer Plate which outlines what you need to know to make sure you’re using the right space plate.
You will need the following parts. The G Force GF-LSZ32-Adapter Kit, the Dowel Pin Kit - GF-LSZ32-D, Pressure Plate Bolts – GF_Z32PPB-KIT, and the Bolt Kit for the Flywheel GF-LSFB-SET. Unfortunately, we don’t offer the motor mounts or transmission crossmember you need.
You will need the following parts. The G Force GF-LSZ32-Adapter Kit, the Dowel Pin Kit - GF-LSZ32-D, Pressure Plate Bolts – GF_Z32PPB-KIT, and the Bolt Kit for the Flywheel GF-LSFB-SET. Unfortunately, we don’t offer the motor mounts or transmission crossmember you need.
The flywheel supplied in the Z32 kit is not SFI approved. However, G Force does offer SFI approved Flywheels for other projects. See all of our Flywheels here.
The flywheel supplied in the Z32 kit is not SFI approved. However, G Force does offer SFI approved Flywheels for other projects. See all of our Flywheels here.
The flywheel bolts are GM - GF-LSFB-SET, and the pressure plate bolts are Nissan - GF-Z32PPB-KIT. Dowel pins are also required - GF-LSZ32-D.
The flywheel bolts are GM - GF-LSFB-SET, and the pressure plate bolts are Nissan - GF-Z32PPB-KIT. Dowel pins are also required - GF-LSZ32-D.
350z Z33 Swap
Our Z33 and Z32 LS adapter kits work with any series of Vortec, LS, or LSX motors. However, there are some differences in these motors. We’ve written Using the Right Spacer Plate to help you determine if you need a spacer plate and which one to choose.
Our Z33 and Z32 LS adapter kits work with any series of Vortec, LS, or LSX motors. However, there are some differences in these motors. We’ve written Using the Right Spacer Plate to help you determine if you need a spacer plate and which one to choose.
Flywheel bolts - GF-LSFB-SET
Pressure plate bolts - GF-Z32PPB-KIT
Dowel pins - GF-LSZ32-D.
Flywheel bolts - GF-LSFB-SET
Pressure plate bolts - GF-Z32PPB-KIT
Dowel pins - GF-LSZ32-D.
Cummins to Chevy
We do. See our Cummins to Chevy Collection for transmission adapter kits, bolt kits, drop crossmembers, and motor mounts. Details about each is available on the individual product pages.
We do. See our Cummins to Chevy Collection for transmission adapter kits, bolt kits, drop crossmembers, and motor mounts. Details about each is available on the individual product pages.
Cummins to Ford
No sorry. We do offer the adapter kit for the Ford 5R110 transmission - GF-F5R110-S and GF-F5R110-SL.
No sorry. We do offer the adapter kit for the Ford 5R110 transmission - GF-F5R110-S and GF-F5R110-SL.
We have two Cummins to Ford Swap Kits— 1989-2002 Cummins to Ford 5R110 - GF-F5R110-S and 2003-2017 Cummins 6BT to 2006-2017 5R110 Ford - GF-F5R110-SL. Both transmission adapter kits include an adapter plate and flexplate. Details about each kit can be found on the product page. Just click the link for more info.
We have two Cummins to Ford Swap Kits— 1989-2002 Cummins to Ford 5R110 - GF-F5R110-S and 2003-2017 Cummins 6BT to 2006-2017 5R110 Ford - GF-F5R110-SL. Both transmission adapter kits include an adapter plate and flexplate. Details about each kit can be found on the product page. Just click the link for more info.
