1978-1988 TH350 G-Body Crossmember | RCG-350

• Fits Models: GM RWD G-Body; Malibu, Monte Carlo, El Camino, Cutlass, Grand Prix, Regal, Century, LeMans, Caballero, Bonneville 
• Fits Years: 78-88
• Fits Transmissions: TH350, TH200, Metric 200, TH250, Muncie, T10, Super T10, Powerglide, Saginaw
  
• If you are looking for improved performance check out our lighter weight, next generation of this transmission crossmember- RCGNG-350BLK. What is a lightweight crossmember? Find out here.
  
• This crossmember has been redesigned to accept the double slot bolt pattern of standard transmission mounts. We recommend the GMTM sold separately. 

G Force and our Partner Brands engineer bold solutions that make installation easier without sacrificing quality. Get more support from G Force.

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Our engineers are also car enthusiasts—which makes designing automotive parts second nature. Because we use our products, we know the importance of crafting them with strength and durability. Get more performance from G Force.

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Specifications

Weight: 32 lbs

Shipping Dimensions: 51 × 11 × 6 In

Finish: Black Powder Coated

Mounting Hardware: Included

See the G Force Crossmember Overview for more info.

For all 78-88 G-Body transmission crossmembers the passenger side hump is the taller of the two.

On some installations, it is necessary to remove the catalytic converter heat shield from the passenger side floor pan.

This generation of vehicle is prone to body bushing compression, even with some southern vehicles. If the floor pan is too close to allow installation, it may be necessary to replace the body bushings. Some customers have reported that with instances where there is slight interference they have been able to gSee the G Force Crossmember Overview for more info.

This crossmember is installed with the G Force label facing the rear of the vehicle. However, another determining feature is the crossmember center tube which has a 1/2″ drain slot that is positioned on the bottom and on the passenger side next to the hump weldment.

This crossmember is installed so that the exhaust clearance humps are closed on the top and open on the bottom.

To use the provided 7/16″ hardware it is necessary to enlarge holes in your frame rails with a 1/2″ drill. If you choose to use the stock size 3/8″ hardware, it is strongly recommended to use new Grade #8 fasteners to compensate.

Discover more about the G Force Crossmember product line on these pages-

• What is a Crossmember
• Why Choose a G Force Crossmember
• Why Swap and What Is a Transmission Crossmember?
• A Next Gen Crossmember Maintains Strength
• Find the Right Crossmember for Your Project
• A Next Gen Crossmember - Why Weight Matters

ently lift the floor pan with the assistance of a floor jack and a wood cushion to create enough clearance for installation.

This crossmember is installed so that the exhaust clearance humps are closed on the top and open on the bottom.