![UMI Performance 3108-B: 3108-B Adjustable Modular Transmission Crossmember for 1978-1988 GM G-Body [Black]](/web/image/product.product/41062/image_1024/%5BUPI-3108-B%5D%20UMI%20Performance%203108-B:%203108-B%20Adjustable%20Modular%20Transmission%20Crossmember%20for%201978-1988%20GM%20G-Body%20%5BBlack%5D?unique=666ac16)
![UMI Performance 3108-B: 3108-B Adjustable Modular Transmission Crossmember for 1978-1988 GM G-Body [Black]](/web/image/product.product/41062/image_128/%5BUPI-3108-B%5D%20UMI%20Performance%203108-B:%203108-B%20Adjustable%20Modular%20Transmission%20Crossmember%20for%201978-1988%20GM%20G-Body%20%5BBlack%5D?unique=666ac16)
UMI Performance 3108-B: 3108-B Adjustable Modular Transmission Crossmember for 1978-1988 GM G-Body [Black]
GM G-Body
Adjustable Modular Transmission Crossmember 1978-1988 GM G-Body Laser Cut Tab & Slot Design 5-Position Billet Aluminum Transmission Mount Billet Aluminum Spacer for Early Frames Large Cutouts for Oversized Dual Exhaust Black