4L80E Crossmember in a 1984 to 1988 G-Body Number RCG-4L80
# 35XM. The G-Force Performance Racing Crossmember is a heavy duty, double hump transmission crossmember that was designed and fabricated exclusively for 1984 thru 1988 G-Body cars and is manufactured new from 2″ x 3″ (1/8″ wall) rectangular and 1/2″ plate steel. And best of all – IT BOLTS IN – no guessing, no cutting, no cussin’! This crossmember is built to take BIG BLOCK punishment and will also stiffen your frame to help straighten out launches. Another benefit of this crossmember is that installing a dual exhaust is a simple bolt-on operation that will provide clean, professional results. No floor pan modifications are necessary. Comes black powder coated only. This crossmember fits 1984 -1988 G-Body cars with a 4L80E transmission. *Note: For 1978-83 vehicles buy #35XM-X, crossmember and frame extension kit.