We use the Pro-Street kit that has vented rotors (not drilled).
It's a bolt on deal for a drum spindle and works great.
I have over 7,000 street miles on mine so far and hundreds of dragstrip passes.
It brings us down from a max of 133 mph in the 1/4 mile with no issues. I've heard they have a really good replacement Polymatrix pad for these but haven't tried them yet.
'63 Dodge 330
11.19 @ 121 mph
Pump gas, n/a, through the mufflers on street tires with 3.54's. 3,600 lbs.
10.01 @ 133mph with a 250 shot of nitrous an a splash of race gas. 1.36 60 ft. 3,700 lbs.
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