B&M TH400 Modulator 91619039 This handy ‘highside’ body roller

This handy ‘highside’ body roller will allow you straighten body and deck panels while still on your car

1968-1974 Chevrolet P20 Van

Specialty jam nuts have smaller outside diameters

securely holding all the pieces in place

B&M TH400 Modulator 91619039 This handy ‘highside’ body rollerModulator, GM TH350 and TH400 Automatic Transmissions B&M'specializes in performance automatic transmissions, torque converters, SFI approved flexplates, legendary automatic shifters, precision manual shifters, and many other transmission products including cast deep aluminum transmission pans, transmission coolers, and automatic transmission fluid. B&M Performance and Off Road has been at the vanguard of the growing automotive aftermarket since the