The 64′ Impala got its name from the flat sweep geometry of six degrees back and four degrees up.
This bar is 11 butted and heat treated 4130 chromoly, the crossbar is 16mm and they’re available in black and chrome.

Rise:5.75″ -6.5″ -8.25″ -7.5″ -8″ and8.5″
Width: –
Upsweep : 4
Backsweep : 6
Weight:
5.75″ –
6.5″ –
8.25″ –
7.5″ – 1lb 8oz
8″ – 1lb 10oz
8.5″ – 1lb 12oz