Hammer Fab

59-60 Buick 4L80E Transmission Crossmember

$275.95

This heavy-duty crossmember is built from 3/16” steel and precision-engineered using 3D scan data to maximize exhaust clearance, simplify installation, and maintain proper floor clearance.

Each unit is laser cut, CNC bent, and TIG welded in Texas—100% Made in the USA.

Includes locating templates and step-by-step instructions, plus a video QR code for guided installation. Installation requires drilling four new 3/8” holes into the factory “C” section of your original K-frame.

Key Features:

  • Precision laser cut and CNC bent for accurate fitment
  • Grade 8 mounting hardware included
  • Designed to work with our 1959–1960 Buick LS engine mounts
  • Optimized placement eliminates the need to modify the transmission tunnel

Additional Notes:

  • Factory driveshaft hoop will require minor clearancing
  • Compatible with our optional 2-piece driveline setup

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