These brakes automatically adjust as you tow so you don't have to crawl on the ground to do it manually. Dual-plunger cylinder offers great braking power. 12-1/4" x 3-3/8" Assemblies fit 15" or larger wheels. Made in the USA.
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A dual-plunger cylinder, like the one featured in these Dexter brakes, might not seem like much, but it provides more consistent, throttled braking compared to a single-plunger alternative. This is because it pushes out both brake shoes at the same time.
Just keep in mind that, because you'll be getting full braking power when driving in reverse, your actuator should have a reverse lockout on it. Otherwise, you won't really be able to back up without locking up the brakes.
The superior quality of these pads is largely due to the fact that they're bonded to the shoes, not just nailed down. Riveted brake pads will always give you a screeching reminder to replace your brake shoes. That's because the rivets will scrape against your drum as the friction material wears down. You won't have that noisy problem with bonded brake pads. You'll also get a little more friction pad contact because there aren't any cutouts for rivets. And more friction means more stopping power.
These pads are also tapered, which should help to prevent any broken, crumbly bits of material from rotating inside the drum as the pads wear over time. Brakes without these tapers are more likely to create a jarring braking experience that could cause the brakes to stutter and lock up.
With typical drum brake assemblies, you need to manually adjust them every now and then to make sure you're getting the shortest stopping distances every time you tow.
With self-adjusting brakes, though, you'll always have peak stopping power - simple as that! As the brake pads wear over time, a tensioning cable will automatically keep the pads in alignment so they'll consistently make contact with your drum when you brake. You won't have to do tedious manual adjustments anymore.
Once you get these assemblies installed, and your lines flushed with fresh fluid, you'll need to break in these brakes. First, find a long stretch of road or a big, empty parking lot. Speed up to about 40 mph and brake to slow to about 20 mph. Repeat this 15-30 times. The goal is to get the brake shoes properly seated into your drum. You'll know you've done that when it feels less jerky (and more consistent) each time you apply the brakes.
Note: The brakes will be very hot after doing this, so after every 10 stops you'll want to wait about 10 minutes to let the brakes cool off before continuing. If you don't, you might cook and crack the pad material.
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