[OKSS]

Are the previous years brake pads the same size for 2021 with the slightly larger calipers?

 

[Mattm400]

Yes, same size pads. I think the composition of the material is different, but same basic pad.

 

[TNRedeye]

I've run the same Powerstop pad on the '19 and the '21 RE. There seems to be no functional difference.

 

[qwk93ta]

I've run the same Powerstop pad on the '19 and the '21 RE. There seems to be no functional difference.

really? i thought the 21s had a f
different size pad?

 

[TNRedeye]

really? i thought the 21s had a f
different size pad?

It has a larger rotor. The pad and caliper are the same physical dimensions as earlier years.

 

[SIXGUN]

Thanks for the update!

 

[Slowpoke387]

Seems odd. Bigger rotors without bigger pads? What are they gaining without changing to bigger pads? @Blickie

 

[Blickie]

Seems odd. Bigger rotors without bigger pads? What are they gaining without changing to bigger pads? @Blickie

Bigger rotors = more mass, thus larger/bigger rotors can absorb more brake heat before Brake Fade occurs...

 

[Vapor SRT]

no copper in the pads. California spec and the price has doubled $400 front set

 

[TheFrankenberry]

Seems odd. Bigger rotors without bigger pads? What are they gaining without changing to bigger pads?

Bigger rotors = more mass, thus larger/bigger rotors can absorb more brake heat before Brake Fade occurs...

What Blickie said plus 0.3" better leverage.

 

[qwk93ta]

Powerstop’s website doesn’t offer front pads for 6 piston calipers.

 

[TheFrankenberry]

Powerstop’s website doesn’t offer front pads for 6 piston calipers.

Brake Pads - Change Front / Rear Brake Pads with PowerStop Brakes

Change front, rear, or front & rear brake pads with one of PowerStops brake pad sets. Use our Brake Finder to determine the best match for your vehicle.

www.powerstop.com

Application:
2015
Dodge
Challenger
SRT 392, SRT Hellcat Models - Power Stop OEM Design 2-pc

Part Numbers:
16-1405
17-1405
Z23-1405
Z26-1405
PST-1405

The "1405" denotes the FMSI number which defines the shape and thickness of the OEM pad style. #1405 is used for both 15.4" & 15.7" 6-pot front Brembos, the 14.2" 4-pot Brembos use pad #1149, and all three use the same 13.8" 4-piston rears pad #1053.

 

[qwk93ta]

I just called Powerstop and they don’t have front brake pads for the 21s (6 piston)

 

[Mattm400]

Of course they do, just like mentioned above.
1405 front
1053 rear
They work like a charm.

 

[Slidd]

They probably say they don't fit because they haven't yet personally verified it.


Sent from my SM-N960U using Tapatalk

 

[Mattm400]

I think the pad material (not size) is different on 21's.
21's have more compacted dust 😳

 

[TheFrankenberry]

The Friction Materials Standards Institute pad number the caliper uses is the same since the 2015 Hellcat 6-pot Brembos - D1405. Several people across the forums and online have confirmed this and I already listed all the Powerstop part numbers - what's the confusion?

Yes, brake pad compounds change - that's what differentiates brake pad manufacturers and gives consumers options. Hell, the compound could be a solidified peanut butter but formed to a backing plate in accordance to D1405 standards - not saying that it'll work well but it will fit like factory pads.

Now, 2021 did start the federal environmental mandate of restricting copper in brake pads to 5% or less, which will go down to 0.5% or less in 2025. Still plenty of pads being made and available.

 

[Gotgap]

They probably say they don't fit because they haven't yet personally verified it.


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Yeah just like doctors say you may or may not die but just sign here