Are they NECESSARY... my answer to that would be NO. Depends on the situation and personal preference and opinions.
.....but I did use them. I have a dual m/c on my panel and plan to go to disk brakes on the front soon. The 10lb residual on the rear is suppose to help over come the spring tension so you have better response time.

Now, lets see what other say!


1937 Chevy Pickup
In the Gallery
1952 Chevy Panel
In the Gallery
More photos
1950 Chevy Coupe
Pictures!

I'd rather walk and carry a Chevy hub cap than ride in a Ferd.
I can explain it to you, but I can't understand it for you smile