SRQYukon
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I had no problems getting mine from Summit Racing, but that was 3 months ago. The U.S. market is still having supply-chain issues throughout the automotive industry, so that is probably the case with the calipers.
4 Piston Big Brake Upgrade from 2019-20
- Thread starter fasteddy
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Fjs0001
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I got mine from a junkyard I found on www.car-part.com. It came off of a 2020 Sierra AT4.
Denalibro76
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Thanks! I just found a couple used ones. Will be doing the work soon!
Dantheman1540
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It's unlikely this info will help anybody but I can confirm that these brakes will clear 2008-2011 Dodge ram 2500 factory forged 17" wheels when 8 lug adapters are used to fit them on the front of an NBS truck.
Does anyone see any deals on pads and rotors for these? Or even a place to buy OEM pads and rotors as a kit instead of piecing stuff together.
Here's the barrel clearance at the top where it's usually the closest and, the wheels I'm referring to.
Does anyone see any deals on pads and rotors for these? Or even a place to buy OEM pads and rotors as a kit instead of piecing stuff together.
Here's the barrel clearance at the top where it's usually the closest and, the wheels I'm referring to.
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Fjs0001
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I bought my rotors and pads from www.r1concepts.com. They'll send you coupon codes for 25% and 30% off all the time if you give them your email address. There are cheaper options, but I kept reading great reviews about their stuff so I decided to give them a try. So far I've been happy.
Dantheman1540
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That was actually the first place I checked! I have a set of their pads and rotors on my 4 piston swapped tahoe that have been great so far but I haven't gotten a cupon from them in 2 months so I was looking elsewhere. Might end up with Powerstops NOT drilled/slotted rotor and pad combo for $193.
SRQYukon
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Better resubmit your info to R1 Concepts. I get a message from them every day. Right now I'm getting two or three a day.
Dantheman1540
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I may have unsubscribed from one or two of their many distribution lists but it’s ok I found OEM rotors for a good price and an OEM style pad from powerstop to top it off. Should all be here in a week or so.
Dantheman1540
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Got these brakes setup on my 2005 Silverado with Ram 2500 17” wheels.
SnowDrifter
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At least for the front, compared against a 2009 model:
Rotors are same dimensions
Calipers are the same - identical OEM part number
Neat to see the years of compatibility
Rotors are same dimensions
Calipers are the same - identical OEM part number
Neat to see the years of compatibility
So, I just got done doing this to my 2004 Z71 Tahoe. I came across this thread and then found some take offs for pretty cheap from a 2021 Silverado. Initially a tried putting them on with my stock 17s. I could have gotten them to work with some grinding of the caliper or a spacer as many have done. The lip on the side was not a problem, just the radius. But I found some takeoff 18s that fit beautifully. The tires sit a bit wider with the newer rims, but it works good.
As far as effectiveness, I decided to experiment a little. I put on one side first and took it for a short drive. I expected with the bigger brakes on the one side it would pull to that side when braking. What I found was that with light braking, there was no noticeable pull, meaning the braking was pretty close to the same between the old and new rotors. However, when I tries medium and hard braking, it did pull toward the newer brakes. It wasn't a huge pull, but it was noticeable.
Once I got both calipers installed, I tried it again. I do notice a little more effective braking. Is it a lot? no. But it is there. I would say it's a nice upgrade. They certainly look cool. and I can see how pad changes will be even easier.
TLDR: If you're doing normal driving, it's nice, but not drastic enough to change anything unless you have to anyway. It will definitely help if you are towing.
As far as effectiveness, I decided to experiment a little. I put on one side first and took it for a short drive. I expected with the bigger brakes on the one side it would pull to that side when braking. What I found was that with light braking, there was no noticeable pull, meaning the braking was pretty close to the same between the old and new rotors. However, when I tries medium and hard braking, it did pull toward the newer brakes. It wasn't a huge pull, but it was noticeable.
Once I got both calipers installed, I tried it again. I do notice a little more effective braking. Is it a lot? no. But it is there. I would say it's a nice upgrade. They certainly look cool. and I can see how pad changes will be even easier.
TLDR: If you're doing normal driving, it's nice, but not drastic enough to change anything unless you have to anyway. It will definitely help if you are towing.
SRQYukon
Full Access Member
You'll probably see a bigger difference after they break-in. Now that I've been using mine a few months, I feel a significant difference. But then I'm towing 4000-5000 lbs much of the time. They saved me from cutting some lady's car in half a few weeks ago. She pulled out very close to go the opposite direction as me and then realized there was a car coming from that direction too. She came to a complete stop across my lane about 100' feet in front of my rig, including trailer, from 50 mph. She just managed to get out of the way before I got to her. But with my original brakes, no way I would have gotten in reeled in.
tRidiot
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Can't hardly find this stuff in OEM - RockAuto only has rear calipers, all the GM Parts stores I've found say they're discontinued or unavailable - Amazon has the pass front, but it's doubled in price, opportunism from someone who bought a bunch, is my guess.
Supply chain issues? Can't get brakes for one of the most popular models of truck out there. Craziness.
Supply chain issues? Can't get brakes for one of the most popular models of truck out there. Craziness.
Tonyrodz
Resident Resident
Maybe hit the junkyards for some cores---then swap at auto parts store?
SRQYukon
Full Access Member
Tonyrodz
Resident Resident
A few years ago I had 2 used rotors and calipers shipped from Ca(I think) to me in NJ. He used USPS, and it was around $70. I'd think if it was just calipers it'd be a little cheaper.
tRidiot
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I had the '19-'20 test caliper making its rounds on here shipped to me, and I shipped it onwards to someone else. I think it was about $25 or so.
I guess I'm curious about if this '19-'20 upgrade is a significant improvement over the NNBS '07+ upgrade? I mean, my truck doesn't have the Hydroboost, and from reading through one thread about how to add it, it looks a little intimidating to me, so I'm not sure I want to go to that extreme.
Since the '19-'20 calipers are not (very) available new, and I am reluctant to add the Hydroboost, would I really be missing out if I just did the '07+ NNBS upgrade, since it's cheap, available and still (by most accounts) a good bit more effective than my current non-Hydro NBS brakes?
I guess I'm curious about if this '19-'20 upgrade is a significant improvement over the NNBS '07+ upgrade? I mean, my truck doesn't have the Hydroboost, and from reading through one thread about how to add it, it looks a little intimidating to me, so I'm not sure I want to go to that extreme.
Since the '19-'20 calipers are not (very) available new, and I am reluctant to add the Hydroboost, would I really be missing out if I just did the '07+ NNBS upgrade, since it's cheap, available and still (by most accounts) a good bit more effective than my current non-Hydro NBS brakes?
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