59-60 Buick 4L80E Transmission Crossmember Online training Also available as a blank

Also available as a blank with no holes

If you plan on applying more than 350 hp to your car

Additional bolts will be required

light cutting on tailgate and rear bed sill

but can be purchased here

59-60 Buick 4L80E Transmission Crossmember Online training Also available as a blankThis 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 Texas100% 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